Animals
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AnimalsMole-rats: Kissing but not quite cousins
Damaraland mole-rats live underground in rodent versions of bee hives, but a genetic analysis of these colonies finds that kinship isn't very beelike.
By Susan Milius -
AnimalsGator Feelings: Tough faces, more sensitive than ours
Alligator and crocodile faces carry pressure receptors so responsive that they can detect ripples on the water's surface from a single falling drop.
By Susan Milius -
AnimalsNo Tickling: Common caterpillars deploy defensive hair
The caterpillars of the European cabbage butterfly have a chemical defense system that scientists haven't documented before.
By Susan Milius -
AnimalsDogged Dieting: Low-cal canines enjoy longer life
The first completed diet-restriction study in a large animal shows that labrador retrievers fed 25 percent less food than those allowed to eat as much as they desired tend to live longer and suffer fewer age-related diseases.
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AnimalsRebranding the Hyena
Zoologists are hoping that long-term ecological studies of the spotted hyena will assist in dispelling the animal's undeservedly bad reputation.
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AnimalsBig-Eyed Birds Sing Early Songs: Dawn chorus explained
Researchers report a strong relationship between eye size and the light intensity at which birds start to sing in the morning.
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AnimalsManeless lions live one guy per pride
The male lions of Tsavo National Park don't grow manes but they're no wimps—they're the only male lions found so far that rule big prides of females alone, without help from some buddies.
By Susan Milius -
AnimalsWild Hair
The technique of studying animals through genetic analysis of their fur gained fame with a political furor over lynx, but scientists have applied the technique to many other animals.
By Susan Milius -
AnimalsToxic Tools: Frogs down under pack their own poison
An Australian frog can synthesize its own protective poison, rather than obtain it from the insects it eats.
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AnimalsLamprey Allure: Females rush to males’ bile acid
An unusual sex attractant has turned up in an analysis of sea lampreys, and it may inspire new ways to defend the Great Lakes against invasive species.
By Susan Milius -
AnimalsReal pandas do handstands
A giant panda that upends itself into a handstand may be sending a message that it's one big bamboo-thrasher and not to be messed with.
By Susan Milius -
AnimalsNephews, Cousins . . . Who Cares? Detecting kin doesn’t mean favoring them
New tests of the amazing nose power of Belding's ground squirrels has solved a 25-year-old puzzle about doing dangerous favors for relatives.
By Susan Milius