Animals
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Paleontology
Earliest tree-dweller, burrower join mammal tree of life
Fossils show mammal ancestors did a lot more than cower in dinosaurs’ shadows.
By Susan Milius -
Animals
Tiger swallowtail genome gives clues to insect’s stinky defense
Clues within the genetic code of the Eastern tiger swallowtail butterfly (Papilio glaucus) explain how it developed a smelly defense against predators.
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Animals
When you’re happy and you show it, dogs know it
A new test using pictures of halves of human faces challenges dogs’ abilities to read people’s emotions.
By Susan Milius -
Animals
Wasps may turn ladybugs into zombies with viral weapons
Parasitic wasps may use a neurological virus to make ladybugs their minions, a study posits.
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Animals
Cats and foxes are driving Australia’s mammals extinct
Since the arrival of Europeans in Australia, a startling number of mammal species have disappeared. A new study puts much of the blame on introduced cats and foxes.
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Ecosystems
Noise made by humans can be bad news for animals
Animals live in a world of sounds. Clever experiments are finally teasing out how human-made noise can cause dangerous distractions.
By Susan Milius -
Animals
‘The Cultural Lives of Whales and Dolphins’ offers window into cetacean societies
Dolphins and whales pass cultural knowledge to one another, the authors of a new book argue.
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Animals
Toads prefer to bound, not hop
The multiple hops made by toads are really a bounding motion similar to movements made by small mammals.
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Animals
Rainforest frogs flourish with artificial homes
A rainforest frog population grew by about 50 percent when scientists built pools for tadpoles that mimic puddles made by other animals.
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Ecosystems
Termite mound paradises help buffer dry land against climate change
Landscapes dotted by Africa’s great termite mounds look on the verge of turning into desert but are, in fact, more resilient.
By Susan Milius -
Paleontology
Ancient wolf skulls challenge dog domestication timeline
A 3-D analysis of two ancient canine skulls from Russia and Belgium suggests the fossils were of wolves, not dogs.
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Animals
Tropical wasps memorize friendly faces
A social wasp species uses sight and smell to keep intruders from hijacking their nests.