No-Cal Sugar
How can sucralose be made of sugar and not have any calories? (Tongue recognizes it, but not …
Why Is It?
Mosquito Bites
How does a mosquito know that it's biting a human? (Senses carbon dioxide and other chemicals)
Coastal Hurricanes
Why aren't there hurricanes on the West Coast? (Water isn't warm enough to sustain them.)
Eye Size
Does the eye get bigger as we get older? (yes, but it's already 65 percent of adult size at birth)