Plant Gravity
A listener asks: Regardless of how you plant a seed, the roots always grow downward and the shoots …
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Whale Energy
The shape of humpback whale flippers could make wind energy more efficient.
Dinosaur-Killing Asteroid
Scientists have identified the event that probably created the asteroid that killed the dinosaurs.
Meaningful Vowels
Vowel sounds in product names may imply what kind of product they're best suited for.
Podcast
The mosquito's exquisite sense of smell. How genes affect our odor perception. The cognitive skills …
Mosquito Mapping
Scientists are mapping chemical receptors that help mosquitoes zero in on their victims.
Apes vs. Toddlers
Although equivalent in many intellectual tasks, human toddlers are much better than apes in social …
Bloody Evidence
DNA is found inside the nucleus of a cell. But red blood cells have no nucleus, so a listener asks: …
Smelly Genes
New genetic evidence explains why each person perceives odors differently.
Podcast
Ice that won't melt. Finches driven to cheat. How music effects the brain. Increased carbon dioxide …
Unfaithful Finches
Noise pollution from humans makes finches unfaithful.
Shrubs and CO2
Carbon dioxide emissions can help shrub weeds at the expense of grasslands.