News
- Chemistry
Scaffolding props up failing hearts
Hydrogel treatment stimulates cell repair and blood vessel regrowth in pig experiments.
- Humans
New fossils hint at ancestral split
Jaw and face bones suggest two Homo species lived in East Africa nearly 2 million years ago.
- Health & Medicine
Thinner isn’t always better in diabetes
Normal-weight people who develop diabetes have higher mortality than people who are overweight or obese at the disease’s onset
- Planetary Science
Wheels down, Mars rover takes in the view
After a safe landing, NASA’s Curiosity begins transmitting images back to Earth.
- Humans
North African Diaspora written in genes
DNA analysis of people from 15 groups identifies distinct groups and migrations.
- Health & Medicine
Monkey brains sensitive to others’ flubs
Some of the brain’s nerve cells are programmed to light up only upon witnessing another’s error.
- Planetary Science
Curiosity lands safely on Mars
Lowered by sky crane onto the surface, NASA rover prepares to look for signs that life could have evolved on the Red Planet.
- Earth
Extreme hot spells rising
Analyzing six decades of temperature records reveals inexorable warming and increasing episodes of extreme heat.
- Earth
Greenland enters melt mode
This year’s record-breaking island-wide thaw punctuates an ongoing warming trend.
- Life
How the elephant gets its infrasound
Just blowing air through a pachyderm’s larynx produces fundamental elements of the mysterious rumblings that send messages too low for people to hear.
- Life
Rabies resistance arises in backwater thick with vampire bats
Residents of two remote Peruvian communities appear to have survived infection by the deadly virus.
- Astronomy
Curiosity to look for habitable environs
Set to land on Mars August 5, NASA mission will search for signs that the planet could support life, now or long ago.
