Animals
- 			 Animals AnimalsParasites make cannibal shrimp hungryParasites make sometimes-cannibalistic shrimp more cannibalistic, a new study suggests. 
- 			 Paleontology PaleontologyFearsome croc called the Carolina Butcher once ruled the northEarly ancestors of crocodiles, not dinosaurs, may have been northern Pangaea’s top predator 230 million years ago, according to a new fossil find. 
- 			 Animals AnimalsHow velvet worms slime their preyResearchers have figured out the mechanics behind velvet worms’ wobbly slime jets. 
- 			 Ecosystems EcosystemsEven fast-breeding rabbits can’t withstand Everglades python invasionEven marsh rabbits in the Everglades can’t breed fast enough to keep their population going when Burmese pythons warm up for summer hunting. By Susan Milius
- 			 Animals AnimalsMudskippers use watery tongue to slurp up snacks on landWhen mudskippers move from water to land, they use a tongue made of water to move food to the back of their throat and into their stomachs. 
- 			 Animals AnimalsEvidence of ‘yeti’ probably came from a Himalayan black bearLast year, a genetic analysis revealed two hairs from an unknown species of bear in Asia. A new study finds that they belong to rare Himalayan black bears. 
- 			 Animals AnimalsSnail shell creates blue iridescence with mineralMollusk shines blue using calcium compound rather than organic molecule. 
- 			 Life LifeCyborg beetles reveal secrets of insect flightRemote controlled beetles swoop to the rescue in insect flight simulations. 
- 			 Animals AnimalsGetting stabbed is no fun for land snailsWhen hermaphroditic land snails mate, they stab each other with “love darts.” But being darted comes at a price, a new study finds. 
- 			 Animals AnimalsNanocrystals explain chameleons’ color shiftsTiny crystals embedded in chameleons’ skin reflect specific wavelengths of light based on their position, explaining how chameleons change colors. By Beth Mole
- 			 Animals AnimalsA brain chemical tells when to fight or fleeCrickets tally the knocks they take in a fight, and flee when their brains release nitric oxide to tell them they’ve had enough. 
- 			 Paleontology PaleontologyHow arthropods got their legsNew fossils reveal how arthropods evolved branching limbs.