Animals
- 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.
- Earth
Bird deaths blamed on vitamin deficiency
Shortage of thiamine may have been killing birds in the Baltic and possibly elsewhere for some 25 years.
- Animals
Turtles make sense after all
The odd bodies of turtles add a wrinkle to standard land-dwelling vertebrates.
- Animals
Megafish Sleuth: No Steve Irwin
There's no reason a scientist can't be an action hero — even if his damsels in distress have fins.
