News
- Humans
Botox injections put a crease in emotional evaluations
By immobilizing a muscle needed for frowning, Botox injections may interfere with a person’s ability to assess others’ emotions.
- Life
Saber-toothed cats strong-armed prey
Smilodon fatalis used strong forelimbs to pin victims, an analysis of fossils shows.
- Life
Evolutionary adaptation breeds gender-identification confusion
The rise of camouflage among some lizards in White Sands National Monument has generated a communication breakdown.
- Health & Medicine
For most centenarians, longevity is written in the DNA
A study of people who live past 100 reveals many genetic paths to a long life.
- Health & Medicine
Stem cells from blood a ‘huge’ milestone
New technique promises to be easier, cheaper and faster than other harvesting methods.
- Life
Having BFFs brings longevity to female baboons
A seven-year study of one African troop finds that females live longer if they form close, lasting friendships.
- Earth
African fossils suggest complex life arose early
Researchers find evidence that Earth’s earliest multicellular life got going 2.1 billion years ago.
- Earth
Moby Dick meets Jaws
A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.
- Health & Medicine
Controlling blood sugar may prevent eye problems in diabetes patients
Careful monitoring of glucose levels and taking drugs to control blood lipids and cholesterol can pay dividends, a large trial finds.
- Space
Making lemonade with quantum lemons
Physicists produce “spooky action at a distance,” using a phenomenon that would usually disrupt it.
- Ecosystems
Bats, wolves feel the heat
News from the annual meeting of the American Society of Mammalogists in Laramie, Wyo., June 11-15
- Life
Resveratrol shows activity against insulin resistance and retinal disease
A widely touted anti-aging compound shows activity in people and may work in new ways to fight eye disease.
