113,288+ results
113,288+ results for:
- Earth
Early animals couldn’t catch a breath
Low levels of oxygen may have hindered evolution of animal life hundreds of millions of years ago.
- Tech
Sheath helps ‘aqua-hamster’ survive underwater
Scientists hoped a membrane invented in 1964 would let submarines pull air from seawater.
- Animals
Birds large and small hop over obstacles in similar ways
Bipedal birds, from tiny quail to huge ostriches, tackled a step in a similar way, minimizing energy cost and maximizing safety.
- Animals
New frog species discovered in New York City
A new frog species lives up and down the East Coast. It was discovered when ecologists realized its ‘ribbit’ was distinct from the calls of a lookalike species.
- Health & Medicine
Mini stomachs grown in lab
Clumps of human gastric cells could help researchers study stomach diseases.
- Science & Society
Asteroids closer to home may get us to Mars
NASA should abandon its attempt to bring a space rock into lunar orbit and instead scrutinize ones already whizzing by Earth, one scientist argues.
- Life
A little good news for giant tortoises in the Galapagos
The giant tortoise population on the Galapagos island of Española is on the rebound, but there are still concerns about other markers of conserving the endangered species.
- Microbes
Frozen caribou feces offers look at virus evolution
Genetic material extracted from caribou poop gives hints about how viruses evolve.
- Science & Society
Sewing study stitches up Broadcom prize
Holly Jackson of San Jose, Calif., zigzagged her way through three days of science, engineering and math challenges to win the top prize at the Broadcom MASTERS middle school science competition.
- Neuroscience
Brain difference found in people with chronic fatigue
Abnormality found in the brains of a small number of people with chronic fatigue syndrome is intriguing, but needs to be confirmed with more patients.
- Health & Medicine
Heavy milk drinking may double women’s mortality rates
In a study of 60,000 Swedes, drinking three or more classes of milk a day was associated with higher chances of death, cancer and hip fractures.
- Humans
Human ancestor Lucy celebrates 40th anniversary
Paleoanthropologist Donald Johanson recalls the discovery 40 years ago of the human ancestor known as Lucy.
