Life
- Life
How electric eels put more zip in their zap
With feisty prey, an electric eel curls its tail to intensify shocks and exhaust prey.
- Life
Rare reptile holds clue to penis evolution
Preserved Victorian specimens reveal budding embryonic penis that disappears before adulthood.
- Life
Cats versus viruses: Arms race goes back millennia
A special protein has been protecting cats from feline AIDS for at least 60,000 years, genetic analysis suggests.
- Animals
Cat-versus-virus arms race goes back millennia
Researchers have found evidence of an ancient arms race between Felis silvestris catus, the species familiar today as the domestic cat, and feline immunodeficiency virus.
- Animals
Salamander ancestors could regenerate limbs
Salamanders and ancient amphibians share similar way of regenerating limbs.
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- Animals
As panda baby grows, mom’s milk changes
In the first month after a mama panda gives birth, her milk changes in composition, a new study finds.
- Animals
Howler monkeys sacrifice sperm for deeper roars
In howler monkeys, expanded vocal tracts make for deeper-voiced males with smaller testes, researchers find.
- Neuroscience
Signs of Alzheimer’s seen in young brain’s GPS cells
Signs of Alzheimer’s can show up in the brain’s compass decades before symptoms strike.
- Anthropology
Plagues plagued the Bronze Age
Ancient bacterial DNA provides first clues to Bronze Age plagues in Europe and Asia.
- Animals
Invasive species may be great snacks for predators
The arrival of a new food source can benefit predators, a new study finds. But if there are no native species around to eat, it’s a different story.
- Paleontology
Furry, spiky mammal scampered among dinosaurs
Early Cretaceous fur ball with spikes discovered in Spain.
