Content Update: June 2018 (Humanities, Science, and more!)

Need a break from working through World of Math? Are you keen on learning some history or biology - or civics? Want to learn how to become a comic book artist? Well you're in luck, because our June content has got you covered.

To see all the updates that happened in our June Calculus update, see this spreadsheet.

Domain	Subject	Content kind	Title	URL
Arts and humanities	Ancient Mediterranean	Article	The François Tomb	http://khanacademy.org/humanities/ancient-art-civilizations/etruscan/a/the-francois-tomb
Arts and humanities	Ancient Mediterranean	Video	Cuneiform Tablets	http://khanacademy.org/humanities/ancient-art-civilizations/ancient-near-east1/the-ancient-near-east-an-introduction/v/treasures-of-the-ucla-library-cuneiform-tablets-part-3-of-5
Arts and humanities	AP US Government and Politics	Exercise	Measuring public opinion	http://khanacademy.org/humanities/ap-us-government-and-politics/american-political-beliefs-and-behaviors/measuring-public-opinion/e/measuring-public-opinion
Arts and humanities	AP US Government and Politics	Exercise	Changing media	http://khanacademy.org/humanities/ap-us-government-and-politics/political-participation/changing-media/e/changing-media
Arts and humanities	AP US Government and Politics	Video	Citizens United v. Federal Election Commission	http://khanacademy.org/humanities/ap-us-government-and-politics/political-participation/campaign-finance/v/citizens-united-v-federal-election-commission
Arts and humanities	AP US Government and Politics	Article	Gideon v. Wainwright (1963)	http://khanacademy.org/humanities/ap-us-government-and-politics/civil-liberties-and-civil-rights/due-process-rights-of-accused/a/gideon-v-wainwright
Arts and humanities	AP US Government and Politics	Video	Thomas Hobbes and Social Contract	http://khanacademy.org/humanities/ap-us-government-and-politics/foundations-of-american-democracy/ideals-of-democracy/v/thomas-hobbes-and-social-contract
Arts and humanities	AP US Government and Politics	Video	Generational and lifecycle effects on political ideology	http://khanacademy.org/humanities/ap-us-government-and-politics/american-political-beliefs-and-behaviors/changes-in-ideology/v/generational-and-lifecycle-effects-on-political-ideology
Arts and humanities	AP US Government and Politics	Article	Wisconsin v. Yoder (1972)	http://khanacademy.org/humanities/ap-us-government-and-politics/civil-liberties-and-civil-rights/first-amendment-religion/a/wisconsin-v-yoder
Arts and humanities	AP US Government and Politics	Article	Engel v. Vitale (1962)	http://khanacademy.org/humanities/ap-us-government-and-politics/civil-liberties-and-civil-rights/first-amendment-religion/a/engel-v-vitale
Arts and humanities	AP US Government and Politics	Article	Tinker v. Des Moines (1969)	http://khanacademy.org/humanities/ap-us-government-and-politics/civil-liberties-and-civil-rights/first-amendment-speech/a/tinker-v-des-moines
Arts and humanities	AP US Government and Politics	Video	McDonald v. Chicago	http://khanacademy.org/humanities/ap-us-government-and-politics/civil-liberties-and-civil-rights/selective-incorporation/v/mcdonald-v-chicago
Arts and humanities	AP US Government and Politics	Video	Baker v. Carr	http://khanacademy.org/humanities/ap-us-government-and-politics/interactions-among-branches-of-government/congressional-behavior/v/baker-v-carr
Arts and humanities	AP US Government and Politics	Video	Roe v. Wade	http://khanacademy.org/humanities/ap-us-government-and-politics/civil-liberties-and-civil-rights/amendments-due-process-and-the-right-to-privacy/v/roe-v-wade
Arts and humanities	AP US Government and Politics	Video	Miranda v. Arizona	http://khanacademy.org/humanities/ap-us-government-and-politics/civil-liberties-and-civil-rights/due-process-rights-of-accused/v/miranda-v-arizona
Arts and humanities	Art history basics	Article	A brief history of the art museum	http://khanacademy.org/humanities/art-history-basics/beginners-art-history/a/a-brief-history-of-the-art-museum-edit
Arts and humanities	Art in 19th century Europe	Video	Constable, The Hay Wain (Landscape: Noon)	http://khanacademy.org/humanities/becoming-modern/romanticism/england-constable-turner/v/hay-wain-constable
Arts and humanities	Art in 19th century Europe	Video	A summer day in Paris: Morisot's Hunting Butterflies	http://khanacademy.org/humanities/becoming-modern/avant-garde-france/impressionism/v/morisot-butterflies
Arts and humanities	Art of the Americas to World War I	Video	Murals from New Spain, San AgustÃn de Acolman	http://khanacademy.org/humanities/art-americas/new-spain/viceroyalty-new-spain/v/murals-acolman
Arts and humanities	Medieval Europe + Byzantine	Article	The Romanesque churches of Tuscany: San Miniato in Florence and Pisa Cathedral	http://khanacademy.org/humanities/medieval-world/romanesque1/a/the-romanesque-churches-of-tuscany-san-miniato-in-florence-and-pisa-cathedral
Arts and humanities	Modernisms 1900-1980	Video	Gordon Parks, Off on My Own (Harlem, New York)	http://khanacademy.org/humanities/art-1010/american-postwar-figurative-art/v/parks-harlem
Arts and humanities	Modernisms 1900-1980	Video	Pablo Picasso and the new language of Cubism	http://khanacademy.org/humanities/art-1010/early-abstraction/cubism/v/picasso-guitarist
Arts and humanities	Special topics in art history	Article	Aztec feathered headdress: backstory	http://khanacademy.org/humanities/art-americas/early-cultures/aztec-mexica/a/aztec-feathered-headdress-backstory
Arts and humanities	Special topics in art history	Article	Cuneiform tablets: backstory	http://khanacademy.org/humanities/ancient-art-civilizations/ancient-near-east1/the-ancient-near-east-an-introduction/a/cuneiform-tablets-backstory
Arts and humanities	Special topics in art history	Article	Rock-art sites of Tadrart Acacus: backstory	http://khanacademy.org/humanities/prehistoric-art/neolithic-art/a/rock-art-sites-of-tadrart-acacus-backstory
Arts and humanities	Special topics in art history	Article	Capitoline Brutus: backstory	http://khanacademy.org/humanities/ancient-art-civilizations/roman/roman-republic/a/capitoline-brutus-backstory
Arts and humanities	Special topics in art history	Article	Cultural heritage at risk: Cambodia	http://khanacademy.org/humanities/special-topics-art-history/arches-at-risk-cultural-heritage-education-series/endangered-heritage-southeast-asia/a/cultural-heritage-at-risk-cambodia
Arts and humanities	Special topics in art history	Article	Cultural heritage at risk: Turkey	http://khanacademy.org/humanities/special-topics-art-history/arches-at-risk-cultural-heritage-education-series/endangered-heritage-europe-west-asia/a/cultural-heritage-at-risk-turkey
Arts and humanities	Special topics in art history	Article	Cultural heritage at risk: Syria	http://khanacademy.org/humanities/special-topics-art-history/arches-at-risk-cultural-heritage-education-series/endangered-heritage-europe-west-asia/a/cultural-heritage-at-risk-syria
Arts and humanities	Special topics in art history	Article	Cultural heritage at risk: United States	http://khanacademy.org/humanities/special-topics-art-history/arches-at-risk-cultural-heritage-education-series/endangered-heritage-the-americas/a/cultural-heritage-at-risk-united-states
Arts and humanities	Special topics in art history	Article	Cultural heritage at risk: Peru	http://khanacademy.org/humanities/special-topics-art-history/arches-at-risk-cultural-heritage-education-series/endangered-heritage-the-americas/a/cultural-heritage-at-risk-peru
Arts and humanities	Special topics in art history	Article	Cultural heritage at risk: Mali	http://khanacademy.org/humanities/special-topics-art-history/arches-at-risk-cultural-heritage-education-series/endangered-heritage-africa/a/cultural-heritage-at-risk-mali-edit
Arts and humanities	Special topics in art history	Article	Organizations and agencies that work to protect cultural heritage	http://khanacademy.org/humanities/special-topics-art-history/arches-at-risk-cultural-heritage-education-series/trafficking-protection/a/organizations-and-agencies-that-work-to-protect-cultural-heritage
College, careers, and more	Careers	Video	Epidemic intelligence service officer: What I do and how much I make	http://khanacademy.org/college-careers-more/career-content/support-health-and-wellness/epidemic-intelligence-service-officer/v/epidemic-intelligence-service-officer-what-i-do-how-much-i-make
College, careers, and more	Careers	Video	Epidemic intelligence service officer: How I got my job and where I'm going	http://khanacademy.org/college-careers-more/career-content/support-health-and-wellness/epidemic-intelligence-service-officer/v/epidemic-intelligence-service-officer-how-i-got-my-job-where-im-going
College, careers, and more	Careers	Video	Comic book artist: What I do and how much I make	http://khanacademy.org/college-careers-more/career-content/design-create-perform/comic-book-artist-and-creative-director/v/comic-book-artist-what-i-do-how-much-i-make-khan-academy
College, careers, and more	Careers	Video	Comic book artist: How I got my job and where I'm going	http://khanacademy.org/college-careers-more/career-content/design-create-perform/comic-book-artist-and-creative-director/v/comic-book-artist-how-i-got-my-job-and-where-im-going-khan-academy
College, careers, and more	Careers	Video	Nonprofit founder: What I do and where I'm going	http://khanacademy.org/college-careers-more/career-content/career-profiles-start-a-business/nonprofit-founder/v/nonprofit-founder-and-writer-what-i-do-where-im-going-khan-academy
College, careers, and more	Careers	Video	HR management and program analyst: How I paid for college	http://khanacademy.org/college-careers-more/career-content/manage-people-and-processes/hr-management-and-program-analyst/v/hr-management-and-program-analyst-how-i-paid-for-college
College, careers, and more	Careers	Video	HR management and program analyst: What I do and how much I make	http://khanacademy.org/college-careers-more/career-content/manage-people-and-processes/hr-management-and-program-analyst/v/hr-management-and-program-analyst-what-i-do-and-how-much-i-make
College, careers, and more	Careers	Video	HR management and program analyst: How I got my job and where I'm going	http://khanacademy.org/college-careers-more/career-content/manage-people-and-processes/hr-management-and-program-analyst/v/hr-management-and-program-analyst-how-i-got-my-job-and-where-im-going
Economics and finance	AP Macroeconomics	Video	Example free response question from AP macroeconomics	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/prepare-for-the-2018-ap-macro-exam/v/example-free-response-question-from-ap-macroeconomics-ap-macroeconomics-khan-academy
Economics and finance	AP Macroeconomics	Article	The foreign exchange market model	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/every-graph-used-in-ap-macroeconomics/a/the-foreign-exchange-market-model
Economics and finance	AP Macroeconomics	Article	The production possibilities curve model	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/every-graph-used-in-ap-macroeconomics/a/the-production-possibilities-curve
Economics and finance	AP Macroeconomics	Article	The Phillips curve model	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/every-graph-used-in-ap-macroeconomics/a/the-phillips-curve-model
Economics and finance	AP Macroeconomics	Article	The market for loanable funds model	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/every-graph-used-in-ap-macroeconomics/a/the-market-for-loanable-funds-model
Economics and finance	AP Macroeconomics	Article	The aggregate demand-aggregate supply (AD-AS) model	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/every-graph-used-in-ap-macroeconomics/a/the-aggregate-demand-aggregate-supply-ad-as-model
Economics and finance	AP Macroeconomics	Article	The money market model	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/every-graph-used-in-ap-macroeconomics/a/the-money-market-model
Economics and finance	AP Macroeconomics	Article	The market model	http://khanacademy.org/economics-finance-domain/ap-macroeconomics/every-graph-used-in-ap-macroeconomics/a/the-market-model
Math	7th grade	Exercise	Circumference of parts of circles	http://khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circumference/e/circumference-of-parts-of-circles
Math	AP Calculus AB	Video	2011 Calculus AB Free Response #1 (b, c, & d)	http://khanacademy.org/math/ap-calculus-ab/ab-solved-exams/ab-solved-exams-2011/v/2011-calculus-ab-free-response-1-parts-b-c-d
Math	Class 8 (India)	Exercise	Find compound interest	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-comparing-quantities/in-in-comparing-quantities-compound-interest/e/compound-interest
Math	Class 8 (India)	Exercise	Rational numbers between two rational numbers	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-rational-nos/rational-numbers-between-two-rational-numbers-in-in/e/rational-numbers-between-two-rational-numbers
Math	Class 8 (India)	Exercise	Word problems on direct and inverse proportion	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-direct-inverse-proportion/in-in-8th-direct-and-inverse-proportion/e/word-problems-on-direct-and-inverse-proportion
Math	Class 8 (India)	Exercise	Percentage change word problems	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-comparing-quantities/word-problems-on-percentage/e/percentage-change-word-problems
Math	Class 8 (India)	Exercise	Word problems on compound interest	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-comparing-quantities/in-in-comparing-quantities-compound-interest/e/word-problems-on-compound-interest
Math	Class 8 (India)	Video	Solved example: compound interest	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-comparing-quantities/in-in-comparing-quantities-compound-interest/v/solving-compound-interest-problems-class-8-india-math-khan-academy
Math	Class 8 (India)	Video	Square roots by division method visualised	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-sq-sq-roots/square-root-using-division-method/v/square-root-by-division-method-visualised
Math	Class 8 (India)	Video	Intro to compound interest	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-comparing-quantities/in-in-comparing-quantities-compound-interest/v/intro-to-compound-interest-class-8-india-math-khan-academy
Math	Class 8 (India)	Exercise	Finding square roots using division method	http://khanacademy.org/math/in-in-class-8th-math-cbse/in-in-8th-sq-sq-roots/square-root-using-division-method/e/finding-square-roots-using-division-method
Science	AP Physics 1	Exercise	Conservation of energy and momentum	http://khanacademy.org/science/ap-physics-1/prepare-for-the-ap-physics-1-exam/ap-physics-1-advanced-practice/e/energy-and-momentum-conservation
Science	AP Physics 1	Exercise	Kinematics and torque	http://khanacademy.org/science/ap-physics-1/prepare-for-the-ap-physics-1-exam/ap-physics-1-advanced-practice/e/kinematics-and-torque
Science	Class 11 Physics (India)	Video	Linear expansion	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-solids/v/linear-expansion-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Thermal expansion in gas	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-fluids/v/thermal-expansion-in-gas-class-11india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Shear stress and strain	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-shear-and-bulk-stress/v/shear-stress-and-strain
Science	Class 11 Physics (India)	Video	Bulk stress and strain	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-shear-and-bulk-stress/v/bulk-stress
Science	Class 11 Physics (India)	Video	Intro to thermal expansion	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-solids/v/intro-to-thermal-expansion-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Linear expansion numerical	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-solids/v/linear-expansion-numerical-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Thermal stress	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-stress/v/thermal-stress-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	How to strengthen concrete?	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-optional-application-of-elastic-properties/v/how-to-strengthen-concrete
Science	Class 11 Physics (India)	Video	Thermal expansion of ring	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-solids/v/thermal-expansion-of-ring-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Stress & strain	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-stress-strain-and-modulus-of-elasticity/v/stress-strain
Science	Class 11 Physics (India)	Video	Solved example: pressure needed to compress water	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-shear-and-bulk-stress/v/solved-example-pressure-needed-to-compress-water
Science	Class 11 Physics (India)	Video	Solved example: Stress and strain	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-stress-strain-and-modulus-of-elasticity/v/solved-example-stress-and-strain
Science	Class 11 Physics (India)	Video	Solved example: strength of femur	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-stress-strain-and-modulus-of-elasticity/v/solved-example-strength-of-femur
Science	Class 11 Physics (India)	Video	Stress vs strain curve	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-stress-strain-and-modulus-of-elasticity/v/stress-vs-strain-curve
Science	Class 11 Physics (India)	Video	Shear modulus	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-shear-and-bulk-stress/v/shear-modulus
Science	Class 11 Physics (India)	Video	Area expansion coefficient	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-solids/v/area-expansion-coefficient-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Solved example: percentage change in density	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-shear-and-bulk-stress/v/solved-example-percentage-change-in-density
Science	Class 11 Physics (India)	Video	Volume expansion numerical	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-solids/v/volume-expansion-numerical-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Young's modulus of elasticity	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-stress-strain-and-modulus-of-elasticity/v/youngs-modulus-of-elasticity
Science	Class 11 Physics (India)	Video	Why use I beams in construction?	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-optional-application-of-elastic-properties/v/why-use-i-beams-in-construction
Science	Class 11 Physics (India)	Video	Volume expansion coefficient	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-solids/v/volume-expansion-coefficient-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Thermal expansion in liquids	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-fluids/v/thermal-expansion-in-liquids-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	Elastic and non elastic materials	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-stress-strain-and-modulus-of-elasticity/v/elastic-and-non-elastic-materials
Science	Class 11 Physics (India)	Video	Anomalous expansion of water	http://khanacademy.org/science/in-in-class11th-physics/in-in-thermal-properties-of-matter/in-in-thermal-expansion-in-fluids/v/anomalous-expansion-of-water-class-11-india-physics-khan-academy
Science	Class 11 Physics (India)	Video	How tall can mountains get?	http://khanacademy.org/science/in-in-class11th-physics/in-in-mechanical-properties-of-solids/in-in-optional-application-of-elastic-properties/v/how-tall-can-mountains-get
Science	Class 12 Physics (India)	Video	Minority charge carriers in extrinsic semiconductors	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-basics-of-semiconductors/v/minority-charge-carriers-in-extrinsic-semiconductors-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	The PN junction	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-the-pn-junction/v/the-pn-junction-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Full wave rectifiers	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-rectifiers/v/full-wave-rectifiers-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Intro to semiconductors	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-band-theory-of-solids/v/intro-to-semiconductors-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Extrinsic semiconductors P-type	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-basics-of-semiconductors/v/extrinsic-semiconductors-p-type
Science	Class 12 Physics (India)	Video	Forward biasing a PN junction	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-pn-junction-biasing/v/forward-biasing-a-pn-junction-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Zener diode & Zener breakdown	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-zener-diode/v/zener-diode-zener-breakdown-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Zener diode voltage regulator	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-zener-diode/v/zener-diode-voltage-regulator-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Input characteristics NPN transistor	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistor-characteristics/v/input-characteristics-npn-transistor-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	PN diode characteristics	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-pn-junction-biasing/v/pn-diode-characteristics-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Parts of a transistor	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistors/v/parts-of-a-transistor-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Transistor voltage amplifier	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistor-as-a-device/v/transistor-voltage-amplifier-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Diffusion, drift & barrier voltage	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-the-pn-junction/v/diffusion-drift-barrier-voltage-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Half wave rectifiers	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-rectifiers/v/half-wave-rectifiers-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Transistor symbol	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistors/v/transistor-symbol-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Active, saturation, & cutoff	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistor-characteristics/v/active-saturation-cutoff-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Transistor as a switch	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistor-as-a-device/v/transistor-as-a-switch-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Band theory of solids	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-band-theory-of-solids/v/band-theory-of-solids-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Conductors insulators and semiconductors	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-band-theory-of-solids/v/conductors-insulators-and-semiconductors-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Reverse biasing a PN junction	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-pn-junction-biasing/v/reverse-biasing-a-pn-junction-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Forward and reverse current mechanism	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-pn-junction-biasing/v/forward-and-reverse-current-mechanism-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Transistor working	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistors/v/transistor-working-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Output characteristics NPN transistor	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistor-characteristics/v/output-characteristics-npn-transistor-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Why atomic theory doesn't work for solids	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-band-theory-of-solids/v/why-atomic-theory-doesnt-work-for-solids-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Extrinsic semiconductors N-type	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-basics-of-semiconductors/v/extrinsic-semiconductors-n-type-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	PN breakdown and avalanche	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-pn-junction-biasing/v/pn-breakdown-and-avalanche-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Transistor current and parameters	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-transistors/v/transistor-current-and-parameters-class-12-india-physics-khan-academy
Science	Class 12 Physics (India)	Video	Intrinsic semiconductors	http://khanacademy.org/science/in-in-class-12th-physics-india/in-in-semiconductors/in-in-basics-of-semiconductors/v/intrinsic-semiconductors-class-12-india-physics-khan-academy
Science	High school biology	Exercise	Scientific method and experimental design	http://khanacademy.org/science/high-school-biology/hs-biology-foundations/hs-biology-and-the-scientific-method/e/hs-scientific-method-and-experimental-design
Science	High school biology	Article	Biology and the scientific method review	http://khanacademy.org/science/high-school-biology/hs-biology-foundations/hs-biology-and-the-scientific-method/a/hs-biology-and-the-scientific-method-review
Science	High school biology	Video	Introduction to experimental design	http://khanacademy.org/science/high-school-biology/hs-biology-foundations/hs-biology-and-the-scientific-method/v/introduction-to-experimental-design
Science	High school biology	Video	Example punnet square for sex-linked recessive trait	http://khanacademy.org/science/high-school-biology/hs-classical-genetics/hs-sex-linkage/v/example-punnet-square-for-sex-linked-recessive-trait
Science	High school biology	Video	Pedigree for determining probability of exhibiting sex linked recessive trait	http://khanacademy.org/science/high-school-biology/hs-classical-genetics/hs-pedigrees/v/pedigree-for-determining-probability-of-exhibiting-sex-linked-recessive-trait
Science	High school biology	Video	Introduction to genetic engineering	http://khanacademy.org/science/high-school-biology/hs-molecular-genetics/hs-biotechnology/v/introduction-to-genetic-engineering
Science	High school biology	Video	Example identifying roles in a food web	http://khanacademy.org/science/high-school-biology/hs-ecology/trophic-levels/v/example-identifying-roles-in-a-food-web
Science	High school biology	Video	Asexual and sexual reproduction	http://khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-types-of-reproduction/v/asexual-and-sexual-reproduction

Regina Litman

21:43 Ngày 16 tháng 07 năm 2018
Đã sửa

Thank you for all that you do in developing new content and updating older content on Khan Academy! I look forward to this post every month so that I can keep track of new exercises and, now especially with the new dashboard design, new articles and videos in subjects which I have already completed.

In May/June 2018, three new exercises were added to 7th grade math. I was alerted to their presence because, in my subject list, instead of 100%, I now had a score in the high 90s. I found these three practices listed in my mission and got through them to raise my score to 100%.

Of these three new practices, one of them, Circumference of parts of circles, is listed in both the May 2018 and June 2018 content update posts. (Perhaps the one in June is a correction or other update of the one in May.) The other two appear to have slipped through the cracks because they're not listed in either the May 2018 or June 2018 content update post. (If they were in the April 2018 content update or earlier, I would have caught them then.) They are:

Dividing negative numbers

Equivalent expressions with negative numbers and variables

I know you are very busy here, and things can get overlooked. But I thought I'd bring these to your attention. Perhaps they can be made part of the July 2018 content update.

Content Update: June 2018 (Humanities, Science, and more!)

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