Animals
- Animals
Vocal abilities lost, found and drowned out
Reports from the meeting of the American Ornithologists' Union
- Earth
Rapid evolution may be reshaping forest birds’ wings
Logging during the last century might have driven birds in mature boreal forests toward pointier wings while reforestation in New England led to rounder wings.
- Animals
SOS: Call the ants
Emergency ant workers bite at snares, dig and tug to free trapped sisters
- Animals
Tool use to crow about
A pair of new studies indicates that crows can employ tools in advanced ways, including using stones to displace water in a container and manipulating three sticks in sequence to reach food.
- Life
Death-grip fungus made me do it
Infection may be driving ants to set their jaws in low-hanging leaves before they die.
- Animals
Of mice and men
Rapid anatomical changes in rodents linked to increases in human population density, precipitation.
- Animals
New HIV-1 group
Scientists have identified another variant of the virus that can cause AIDS.
- Life
Bent innards give orchid its kick
Violent pollen delivery in Catasetum flowers gets its power from temporarily deformed inner strip
- Paleontology
Fossil shows first all-American honeybee
Nevada find contradicts long-held view of Europe and Asia as the native land of all honeybees.
- Animals
Toucan’s bill gives big chill
Bird’s supersized bill can switch personal air conditioning on and off, new research suggests.
- Health & Medicine
Chimpanzees die from primate version of HIV
A new study links the simian immunodeficiency virus to serious AIDS-like illness in a wild population.
- Life
Web decorating with garbage
Spider webs adorned with decaying food remains attract more attacks, but maybe there’s a defensive trade-off at work.
