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Born to Roar: Lions' and Tigers' Fearsome Roars Are Due to Their Unusual Vocal Cords
November 2, 2011 — When lions and tigers roar loudly and deeply -- terrifying every creature within earshot -- they are somewhat like human babies crying for attention, although their voices are much deeper. So says ... > full story -
'Saber-Toothed Squirrel': First Known Mammalian Skull from Late Cretaceous in South America
November 2, 2011 — Paleontologists have discovered two skulls from the first known mammal of the early Late Cretaceous period of South America. The fossils break a roughly 60 million-year gap in the currently known ... > full story -
Humans and Climate Contributed to Extinctions of Large Ice Age Mammals, New Study Finds
November 2, 2011 — Both climate change and humans were responsible for the extinction of some large mammals, according to research that is the first of its kind to use genetic, archeological, and climatic data together ... > full storyMore: -
'Zombie' Worms Found in Mediterranean Fossil
November 1, 2011 — Traces of bizarre, bone-eating 'zombie' worms have been found on a 3-million-year-old fossil whale bone from Tuscany in Italy. It is the first time the genus Osedax has been found in the ... > full story -
Antarctic Killer Whales May Seek Spa-Like Relief in the Tropics
October 26, 2011 — In a new study, researchers offer a novel explanation for why a type of Antarctic killer whale performs a rapid migration to warmer tropical waters. One tagged Antarctic killer whale monitored by ... > full story -
New Genetic Evidence Confirms Coyote Migration Route to Virginia and Hybridization With Wolves
October 25, 2011 — Changes in North American ecosystems over the past 150 years have caused coyotes to move from their native habitats in the plains and southwestern deserts of North America to habitats throughout the ... > full story -
Veterinary Researchers Discover First U.S. Strains of Hepatitis E Virus from Rabbits
October 25, 2011 — Researchers in Virginia have identified the first strains of hepatitis E virus from farmed rabbits in the United States. It is unknown whether the virus can spread from rabbits to ... > full story -
Fewer Marten Detections in California Forest Linked to Decline in Habitat
October 24, 2011 — The reclusive American marten is getting even harder to find in the Sierra Nevada, according to new research. A new study at the Sagehen Experimental Forest found that marten detections have dropped ... > full story -
Culture in Humans and Apes Has the Same Evolutionary Roots, Researchers Show
October 20, 2011 — Culture is not a trait that is unique to humans. By studying orangutan populations, researchers have demonstrated that great apes also have the ability to learn socially and pass them down through a ... > full story -
Scary Can Be Exciting When It Comes to Strange Traditional Foods
October 20, 2011 — Sheep’s head: Until now very few of us have been tempted by this traditional Norwegian dish. Eating scary food is practice in overcoming fear, according to one researcher. In the tourism ... > full story
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