Stashed in: Science!, Dinosaurs!, Awesome, The World, Maslow!, Climate Change!, Anthropology!
I'm mesmerized by that stack. So there were two big extinctions?
The True Science of Parallel Universes, Animated
Grandma's Experiences Leave Epigenetic Mark on Your Genes | DiscoverMagazine.com
These Dolphins Are Using Sea Sponges as Tools
Pharrell Williams - "Happy" Tribute videos