Be Smart
Why Are Some People Left-Handed?
Most animals that show a paw preference are split 50/50 with half of the population preferring one side and the other half preferring the other, yet in humans only 10 percent are left-handed. The video explains what part of the brain...
Be Smart
Why Do We Cook?
Are you hungry right now? If you are, it might be because your brain is so large. The video describes the shift from larger jaw to larger brain and the relationship of larger brains to cooking. Crushing, preserving, and drying also made...