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Spikes on Genitals Help Flies Hook Up
Dec 31, 2009
Spikes on Genitals Help Flies Hook Up
When fruit flies hook up, they really hook up. Scientists now find that spikes on the genitals of male fruit flies literally help them hold onto females. Using a laser, researchers zapped off tiny claw-like spines from the genitals of virgin male fruit flies (Drosophila bipectinata) from Cape Tribulation in...
Feathered Dinosaurs Leapt from Trees, Not the Ground
Dec 31, 2009
Feathered Dinosaurs Leapt from Trees, Not the Ground
Whether birds first evolved flight as ground dwellers or took to the skies from trees has been a longstanding debate. A new study of an ancient four-legged creature called Microraptor gui, poised on the boundary between dinosaurs and birds, suggests that the arboreal, or tree-living, idea may be correct. Microraptor...
Altruistic Chimpanzees Adopt Orphans
Dec 31, 2009
Altruistic Chimpanzees Adopt Orphans
Chimpanzees can be altruistic just like humans, according to a new study that found 18 cases of orphaned chimps being adopted in the wild. The kind-hearted chimp parents were discovered in the Taï forest in the West African country Ivory Coast. The adoptive caregivers, both male and female, devoted large...
New Tyrannosaur Species Discovered
Dec 31, 2009
New Tyrannosaur Species Discovered
T. rex's family tree just got one member larger. Scientists unearthed bones from a new dinosaur species, including an adult specimen and bones from a teenager that lived some 75 million years ago. Called Bistahieversor sealeyi, the dinosaur lived about 10 million years before Tyrannosaurus rex appeared on the scene....
Termite Battles May Explain Evolution of Social Insects
Dec 31, 2009
Termite Battles May Explain Evolution of Social Insects
This Behind the Scenes article was provided to LiveScience in partnership with the National Science Foundation. Natural selection argues for small biological changes that yield greater chances of survival and successful reproduction. Yet, that process does not square well with the evolution of social insects, particularly when their colonies can...
After Century's Absence, Seabirds' Return Surprises Scientists
Nov 30, 2011
After Century's Absence, Seabirds' Return Surprises Scientists
Earlier this year, government scientists discovered a welcome bundle of joy: a nest of seabird chicks on the Channel Islands off California's coast. This is the first time baby birds of this species have been seen here since 1912. Researchers from the U.S. Geological Survey (USGS) and the National Park...
Bouncing Zoo Babies of 2011
Nov 30, 2011
Bouncing Zoo Babies of 2011
Beautiful Bouncing Babies (Image credit: Ken Bohn, San Diego Zoo)The birth of a baby is always a happy occasion, and particularly so for the myriad animal species found in the world's zoos, many of which are endangered in the wild and count on zoo breeding programs to keep their populations...
Happy Birthday to Po! Celebrated Panda Turns 1
Oct 31, 2011
Happy Birthday to Po! Celebrated Panda Turns 1
ATLANTA — Zoo Atlanta's celebrated new panda, Po, turned 1 year old today (Nov. 3). To celebrate the milestone, his caretakers gave him a fruit-filled ice cake, shaped like a 1, and a few other gifts — though Po's mom spoiled the fun by unwrapping them first. The exhibit's viewing...
Like Humans, Abused Baby Birds Grow Into Bullies
Sep 30, 2011
Like Humans, Abused Baby Birds Grow Into Bullies
Much like humans, birds that are abused as tots are more likely to become abusers later on, a new study finds. Adult Nazca boobies, seabirds that live in colonies on the Galapagos Islands, often beat up on their neighbors' young. The new research finds these bullied nestlings turn into bullies...
Female Lemurs Benefit From Multiple Mates, Study Suggests
Sep 30, 2011
Female Lemurs Benefit From Multiple Mates, Study Suggests
While it may not be as socially acceptable among humans, a female choosing to take multiple mates is a common phenomenon in the animal kingdom. But why the practice of polyandry (a female having more than one male mate at a time) is so prominent is still a mystery in...
10 species our population explosion will likely kill off
Sep 30, 2011
10 species our population explosion will likely kill off
Intro Mekong giant catfish. On or around October 31, 2011, the human population will reach the 7 billion mark, according to projections by the United Nations Population Division. Over the years, as our numbers have increased, the populations of the Earth's other inhabitants has steadily decreased; many species have even...
Australia's 'Rogue' Man-Eating Sharks Actually Chasing Whales
Sep 30, 2011
Australia's 'Rogue' Man-Eating Sharks Actually Chasing Whales
After the attack on an American diver by a great white shark off the coast of Australia, the rumor mill is swilling with talk of a rogue man-eating shark that developed a taste for humans, killing three men over the last two months. The most recent attack happened on Saturday...
Antarctic Killer Whales Treat Skin with a Tropical Vacation
Sep 30, 2011
Antarctic Killer Whales Treat Skin with a Tropical Vacation
In a little over a month, Antarctic killer whales trek from their chilly residence to the warm waters off the coast of South America and back, researchers have found. The whales spend their tropical vacation letting their skin slough off, replacing the old with new. It was a surprise to...
How Human Population Stacks Up to Other Animals (Infographic)
Sep 30, 2011
How Human Population Stacks Up to Other Animals (Infographic)
5 Ways the World Will Change Radically by 210010 Species the Human Population Explosion Will Likely Kill OffEat the Old: Could a 'Soylent Green' System Solve Future Food Shortages? ...
'Stem Cell Zoo' May Aid Endangered Species
Aug 31, 2011
'Stem Cell Zoo' May Aid Endangered Species
Stem cells are quickly becoming an important tool for human medical treatments, and researchers are betting they will also be a useful tool for zoo animals. They are working to create stem cell lines from zoo animals, for use in treating animal diabetes and other ailments as well as helping...
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