Life
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Paleontology
Mammoth Findings: Asian elephant is closest living kin
DNA studies suggest that the woolly mammoth is more closely related to the Asian elephant than to the African elephant.
By Sid Perkins -
Ecosystems
Squirt Alert
A sea animal of unknown origins and lacking any known predator has begun commandeering ecosystems in cool coastal waters throughout the world.
By Janet Raloff -
Ecosystems
When Worms Fly: Insect larvae can survive bird guts
Insects can travel as larval stowaways in the guts of migrating birds.
By Susan Milius -
Ecosystems
Feminized cod on the high seas
Male cod in the open ocean are producing an egg-yolk protein ordinarily made only by females, signaling their potential exposure to estrogen-mimicking pollutants.
By Janet Raloff -
Animals
Face Time: Bees can tell apart human portraits
Honeybees will learn to zoom up to particular human faces in a version of a facial-recognition test used for people.
By Susan Milius -
Paleontology
New View: Fossil offers novel look at an ancient bird
A newly described specimen of an ancient creature that most scientists consider the oldest known bird is posed in a way that provides new viewing angles for several body features.
By Sid Perkins -
Ecosystems
Valuing Nature
With help from ecotourism-oriented commerce, the threatened birds of Uganda's Mabira Forest Reserve might just save themselves and set an example for conservationists elsewhere.
By Ben Harder -
Animals
Unway Sign: Ant pheromone stops traffic
Researchers have found a new kind of traffic sign on ant trails, a chemical "Do not enter" that keeps foragers from wasting their time on paths that don't lead to food.
By Susan Milius -
Animals
Tszzzzzt! Electric fish may jam rivals’ signals
An electric fish appears to sabotage a rival's electric signals as a fight starts. With Audio and Video.
By Susan Milius -
Paleontology
Ancient Grazers: Find adds grass to dinosaur menu
Analyses of fossilized dinosaur feces in India reveal the remains of at least five types of grasses, a surprising finding that's the first evidence of grass-eating dinosaurs and an indication that grasses diversified much earlier than previously recognized.
By Sid Perkins -
Animals
Yikes! The Moon! Bat lunar phobia may come from slim pickings
A study of creatures that fly around at night suggests that scarce food may account for why some bats avoid hunting under a full moon.
By Susan Milius -
Paleontology
Big bird terrorized South America
Researchers in Argentina have discovered fossils that may represent the heftiest flightless bird to ever have roamed the planet.
By Sid Perkins