Tree Carbon
A listener asks: Which trees are more effective at removing carbon dioxide from the atmosphere, …
Why Is It?
Fruits & Vegetables
A listener asks: Do fruits and vegetables lose their nutrients if stored too long?
Self Tanners
A listener asks: Do self-tanners give you the same tan as the sun?
How Fetuses Breathe
A listener asks: How do babies breathe inside the womb?
Water to Muscles
A listener asks: How does water get from your mouth to your tissues?
Snake v. Lizard
A listener asks: Which came first, the lizard or the snake?