Cancer-Fighting Cells
Immunotherapy using lymphocytes to destroy melanoma
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Sticky Mittens
Velcro mittens and toys help babies grab objects and develop their brains faster
Bad Eyesight
Why didn't humans adapt to have good eyesight? (Eye adjusts to keep things in focus, but sometimes …
Spitballs
What does spit do for a baseball pitcher's spitball? (makes the ball slippery so it doesn't spin)
Contagious Yawning
Why are yawns contagious? (They signal a change in state, so our brain detects them.)
Hyperinfectious Cholera
Finding out what makes cholera such a virile infection
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.)
Fire-Eaters
Why don't fire-eaters burn their mouths? (Saliva absorbs heat, use cool-burning fuel)
Dinosaur Meteors
An asteroid impact 200 million years ago may have catapulted dinosaurs into dominance.