Animals
- 			 Animals AnimalsKomodo dragon teeth get their strength from an iron coatStudying the reptile’s ironclad teeth in more detail could help solve a dinosaur dental mystery. 
- 			 Health & Medicine Health & MedicineBird flu has been invading the brains of mammals. Here’s whyAlthough H5N1 and its relatives can cause mild disease in some animals, these viruses are more likely to infect brain tissue than other types of flu. 
- 			 Genetics GeneticsFreeze-drying turned a woolly mammoth’s DNA into 3-D ‘chromoglass’A new technique for probing the 3-D structure of ancient DNA may help scientists learn how extinct animals functioned, not just what they looked like. 
- 			 Animals AnimalsTiny saunas help frogs fight off chytrid fungusBalmy shelters could bolster resistance to the deadly fungus in amphibian populations, but experts caution they won’t work for all susceptible species. By Skyler Ware
- 			 Health & Medicine Health & MedicineBird flu viruses may infect mammary glands more commonly than thoughtH5N1 turning up in cow milk was a big hint. The virus circulating in U.S. cows can infect the mammary glands of mice and ferrets, too. 
- 			 Paleontology PaleontologyThe last woolly mammoths offer new clues to why the species went extinctThe last population of woolly mammoths did not go extinct 4,000 years ago from inbreeding, a new analysis shows. By Claire Yuan
- 			 Animals AnimalsBeneficial bacteria help these marine worms survive extreme coldThree species of marine worms living in Antarctic waters have beneficial relationships with bacteria that produce antifreeze proteins. 
- 			 Animals AnimalsCan leeches leap? New video may help answer that debateFor some, it’s the stuff of nightmares. But a grad student’s serendipitous cell phone video might resolve a long-running debate over leech acrobatics. By Susan Milius
- 			 Animals Animals‘Cull of the Wild’ questions sacrificing wildlife in the name of conservationIn his new book, ecologist Hugh Warwick seeks middle ground in the waging battle that is wildlife management. 
- 			 Anthropology AnthropologyFossil finds amplify Europe’s status as a hotbed of great ape evolutionA kneecap and two teeth belonged to the smallest known great ape, a study contends. If so, it’s the first to coexist with another great ape in Europe. By Bruce Bower
- 			 Genetics GeneticsHorses may have been domesticated twice. Only one attempt stuckGenetic evidence suggests that the ancestors of domestic horses were bred for mobility about 4,200 years ago. 
- 			 Health & Medicine Health & MedicineBird flu can infect cats. What does that mean for their people?Pet owners can take precautions to avoid H5N1, such as keeping cats indoors and making sure they don’t eat raw meat or milk.