It's a new year in the Gregorian calendar, and it's fitting that we have new content! Below you'll find new videos, articles, and exercises in Arts and Humanities, ELA Beta, Personal Finance, Computing, Science, and Official SAT Practice. Onwards!

Arts and Humanities

AP US Government and Politics (Video)

• Presidential oversight of the bureaucracy

AP US History (Video)

• Causation from 1980-2020

Art of Asia (Videos and Articles)

• Red so rare it was lost to time - a ritual Ming dish (Video)
• Bada Shanren, Lotus and Ducks (Video)
• A brief history of the arts of Japan: the Jomon to Heian periods (Article)
• A brief history of the arts of Japan: the Kamakura to Azuchi-Momoyama periods (Article)
• A brief history of the arts of Japan: the Edo period (Article)
• A brief history of the arts of Japan: the Meiji to Reiwa periods (Article)
• Beyond the Great Wave - Hokusai at 90 (Video)
• Queen or goddess? (Video)

Art of the Americas to World War I (Articles and Video)

• Engravings in Diego de Valades's Rhetorica Christiana (Article)
• What does the music of heaven sound like? St Cecilia in New Spain (Video)
• Eagle Warrior (Mexica) (Article)

Art of the Islamic World (Video)

• Alexander, the Mongols, and the great epic of Iran

Europe 1300-1600 (Article)

• Johannes Stradanus and Theodoor Galle, "The Discovery of America"

Special topics in Art History (Videos)

• Inspiration at Yosemite
• Behind the icon, Dorothea Lange's Migrant Mother

English Language Arts (Exercise)

• Growth mindset: writing to inform; editing 4

College and Careers

Personal Finance (Articles)

• 5 questions to ask before investing in graduate school
• Public Service Loan Forgiveness: a path out of student debt

Computer Science

Computing (Article)

• Improving efficiency of recursive functions

Science

AP Biology (Exercises)

• Cellular energy
• Fitness
• DNA and RNA structure
• Chromosomal inheritance
• Environmental effects on phenotype
• Non-Mendelian genetics

Biology (Video)

• Valence electrons and ionic compounds

Chemistry (Videos)

• Average atomic mass
• Worked example: Calculating molar mass and number of moles
• Ionic bonds
• Metallic bonds
• Covalent bonds
• Worked example: Determining an empirical formula from combustion data
• Worked example: Calculating mass percent
• Introduction to electron configurations

Class 10 Physics (India) (Videos and Articles)

• Convex/Concave - lenses & mirrors: CBSE board practice (Video)
• Electricity class 10 numerical: CBSE board practice (Video)
• Magnetic effects of electric current: CBSE board practice (Video)
• Electricity class 10: CBSE previous question paper problems (Article)
• Light class 10: CBSE previous question paper problems (Article)

Test Prep

Official SAT Practice (Videos and Articles)

• Percents — Harder example (Video)
• Key features of graphs — Harder example (Video)
• Setting up ideas | Quick guide (Article)
• Strong support | Quick guide (Article)
• Relevant information | Quick guide (Article)
• Transitions words and phrases | Quick guide (Article)
• Transition sentences | Quick guide (Article)
• Precise word choice | Quick guide (Article)
• Recognizing redundancy | Quick guide (Article)
• Introductions and conclusions | Quick guide (Article)
• Sequencing sentences | Quick guide (Article)