Spinning Earth
Why does the Earth spin? (Debris came together to form the Earth was spinning)
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Medicinal Produce
Analyzing colored carrots for phytochemicals, and a compound in grapes inhibits a cancer enzyme.
Green Leaves
Why are leaves green? (Chlorophyll doesn't absorb green light, so it reflects back.)
Camera Red-Eye
Why do flash pictures sometimes give subjects red eyes? (Light reflects off blood-vessel-rich …
Zombie Worm
The zombie worm feeds off the oil in whale bones on the ocean floor.
Animal Locomotion
Bats can walk and gallop, and octopi can stroll on two legs.
Fingerprinting
Shining x-rays on fingerprints can detect the chemical elements left behind.
Intermittent Fasting
Eating every other day slowed down cancerous processes in mice.
Artificial Wetlands
Water hazards on golf courses can filter out pollutants and pesticides.
Elephant Impressionists
Elephants can mimic sounds, which might help them maintain social bonds.
Mountain Roundup
Mountain dwellers have lower death rates, and doctors will run medical tests on themselves while …