1,375 results
- Genetics
Killer whales are (at least) two species
Orca genetics highlights distinctions among groups that feed on different prey.
- Life
Fins and wings alike share design features
Animals have adapted a number of different ways to swim and fly. But new research suggests that wings, fins and flukes share a couple of basic design parameters.
- Planetary Science
Mission to Pluto: Live coverage
The New Horizons spacecraft is scheduled to fly by Pluto on July 14. Check back often for frequent updates on the status of the mission, updates from mission control, and the latest images.
- Ecosystems
Arctic melting may help parasites infect new hosts
Grey seals and beluga whales encounter killer microbes as ranges change.
- 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.
- Animals
Baby fish are noisier than expected
Gray snapper larvae may be able to communicate in open water using tiny knocks and growls.
- Life
Signs of culture in whales and monkeys
Mammals learn feeding behaviors from their friends and family members.
- Animals
Humpbacks make a comeback in British Columbia
Whale numbers double at a feeding site in Canada.
- Anthropology
Siberians came to North American Arctic in two waves
Siberian ancestors of the modern-day Inuit replaced a 4,000-year-old North American Arctic culture, a DNA study reveals.
- Paleontology
Ancient oceans’ top predator was gentle filter feeder
New fossils suggest that a distant relative of lobsters used bristled limbs to net its prey, not spike it.
- Genetics
What your earwax says about your ancestry
Both armpit and ear wax secretions are smellier in Caucasians than in Asians, thanks to a tiny genetic change that differs across ethnic groups.
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Killer whales, grandmas and what men want: Evolutionary biologists consider menopause
Menopause seems like a cruel prank that Mother Nature plays on women. First come the hot flashes, night sweats, vaginal dryness, irregular periods, irritability and weight gain. Then menstruation stops and fertility ends. Why, many women ask, must they suffer through this? Evolutionary biologists, it turns out, ask themselves more or less the same question. […]
