SciShow
How Junk Food Hacks Your Brain
Scientists think that evolution may not have prepared our brains for donuts, and an international research team has found out that some of earth’s oldest, largest trees are suddenly on the decline.
SciShow
Growing Lambs in High-Tech Plastic Bags
We're closer than ever to growing life in artificial wombs, and we've learned a bit more about how glucose and protein affect exercise endurance.
Sophia Learning
Sophia: Enzymes
This narrated screencast explains the role enzymes play in cellular metabolism. [4:42]