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What is quicksand? Find out here
You find quicksand in places where there's water flowing underneath sand.
July 15, 2008
Redwood of the reef is longest-lived animal
A new study estimates that one species of sponge can live to be 2,300 years old — that’s about the...
July 9, 2008
Building a global fish-barcode library
Bruce Collette of Washington, DC is working to assign barcodes to all 30,000 fish species. Read more about building a global fish-barcode library.
July 2, 2008
Can bees see colors we can’t?
Bees can see ultraviolet - a color humans can only imagine - at the short-wavelength end of the spectrum. Read more about how bees see colors.
June 29, 2008
Life-seeking robot and Europa’s ice with Peter Doran
A life-seeking robot being tested now in Antarctica might someday be used to find signs of life on other worlds, such as on Europa. Read more.
June 27, 2008
Can killer bees swarm into water?
Killer bees won't dive in after you - but they may hover above the water, ready to attack when you come up for air.
June 15, 2008
Studies of chimps shed light on ancient humans
Listen to anthropologist Jim Moore, on what's so important about a Tanzania study that provides the first evidence that chimps use tools to forage for tubers.
June 8, 2008
Arctic haze and climate change
Murphy says you could look out the window of the airplane and see the air colored brown as you were flying, even though you're hundreds or thousands of miles from the nearest big city. He talks about the sources of this haze.
June 4, 2008
How do hibernating animals know when to wake up?
Hibernators have an internal clock, a series of chemical reactions controlled by the hypothalamus of the animal's brain. Read more about hibernating animals.
June 1, 2008
Why do ladybugs sometimes swarm?
With few predators and plenty of aphids to eat. the Multicolored Asian Lady Beetle has undergone a population explosion. Learn why ladybugs sometimes swarm here.
May 29, 2008
