18:49

GENERAL CHEMISTRY explained in 19 Minutes

9:18

Adaptation and environmental change 1

4:06

Metals, Nonmetals & Metalloids

16:47

Jimmy Kimmel Reacts to Donald Trump’s Inauguration

9:53

J Dalton

4:22:38

4+ hours of philosophy to fall asleep to (taoism, stoicism, existentialism and more)

12:16

Chromosomal crossover in meiosis I

1:00:11

What is the Periodic Table? How are Elements Organized?