Animals
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AnimalsTicks had a taste for dinosaur blood
A tick found trapped in amber is evidence the bloodsuckers preyed on feathered dinosaurs, a new study says.
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AnimalsOnce settled, immigrants play important guard roles in mongoose packs
Dwarf mongoose packs ultimately benefit from taking in immigrants, but there’s an assimilation period.
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AnimalsThis ancient marsupial lion had an early version of ‘bolt-cutter’ teeth
Extinct dog-sized predator crunched with unusual slicers toward the back of its jaw.
By Susan Milius -
AnimalsNarwhals react to certain dangers in a really strange way
After escaping a net, narwhals significantly lower their heart rate while diving quickly to get away from humans.
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Artificial IntelligenceAI eavesdrops on dolphins and discovers six unknown click types
An algorithm uncovered the new types of echolocation sounds among millions of underwater recordings from the Gulf of Mexico.
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PaleontologyThis new dinosaur species was one odd duck
Weird dino swimmer had flipperlike limbs and a swanlike neck.
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AnimalsScallops’ amazing eyes use millions of tiny, square crystals to see
Each of a scallop’s many eyes contains an intricate mirror made from millions of crystals.
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GeneticsBats in China carry all the ingredients to make a new SARS virus
Viruses infecting bats could recombine to re-create SARS.
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AnimalsJackpot of fossilized pterosaur eggs unearthed in China
A treasure trove of pterosaur eggs and embryos gives tantalizing clues to the winged reptile’s early development.
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AnimalsStudying giant tortoise flips without tipping the animals over is a delicate business
Giant tortoise shells go domed or saddlebacked, but which is better when navigating treacherous ground?
By Susan Milius -
AnimalsHere’s yet more evidence that the mythical yeti was probably a bear
A more complete genetic analysis amps up the evidence that the legendary creatures known as yetis are actually bears.
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AnimalsMost blue whales are ‘righties,’ except for this one move
Though many blue whales tend to be “right-handed” when hunting for krill, one specific barrel roll move requires a lefty twist.