Whales and Wings
Modeling airplane wings after humpback whale flippers makes them more efficient.
A giant impact crater might be evidence of what caused a mass extinction 250 million years ago.
Observing dopamine levels in the brains of gamblers, and losing a job near retirement increases risk of stroke.
The mantis shrimp packs a powerful punch because of a spring and latch mechanism in its leg.
Body shape predicts heart disease risk more than weight does, and triglycerides cause overweight people to eat even more.
Why are cicada cycles always prime numbers? (Prevents specialist predators from developing)
How do cicadas know when to emerge? (Don't know -- might be sensing something in tree sap)
The American Lung Association's annual report on air pollution includes particulates for the first time.
A green tea extract can polish the read-write heads of hard drives, and the way spiders stick to the ceiling can be used as new adhesives.
Why do some plants eat bugs? (They live in nutrient-poor habitats; bugs have lots of nutrients.)
Detecting the silent nerve signals used for speech to aid communication in noisy environments.
Oyster blood carries the raw material for making shell and bone, and covering titanium joints with DNA nanotubes helps prevent rejection.
A computer that sends smells over the Internet, and a cannon that shoots odors from 12 feet away.