News
- Earth
Ozone hole on the mend
Researchers claim to see atmospheric healing more than a decade earlier than a detectable uptick was expected.
- Life
Body attacks lab-made stem cells
In mice, the immune system targets and destroys reprogrammed adult skin cells, raising questions about their medical potential.
- Health & Medicine
Gravely damaged brains have ‘bottleneck’
A failure in electrical signaling may distinguish patients in vegetative states.
- Humans
Stone Age cold case baffles scientists
Stone-tool makers who hunkered down near Arctic Circle left uncertain clues to their identity.
- Life
New fungi the dark matter of mushrooms
Scientists see the first images of an ancient lineage of microbes that can’t be grown in the lab.
- Humans
Networks dominated by rule of the few
Certain systems, including social hubs like Facebook, can be directed from relatively few control points.
- Humans
‘Bonding hormone’ linked to post-baby blues
Low oxytocin levels in pregnant women may help predict whether they will have postpartum depression.
- Space
Crab Nebula activity keeps confounding
Unusually rapid fluctuations in the output of a supernova remnant send theorists scuttling for a reasonable explanation.
- Chemistry
Idling jets pollute more than thought
Oily droplets emitted by planes operating at low power can turn into potentially toxic airborne particles.
- Life
Animals quickly colonized freshwater
Fossilized worm burrows show that life had moved beyond the oceans by 530 million years ago.
- Health & Medicine
Unnoticed celiac disease worth treating
People who have an antibody reaction to gluten but no outward symptoms are better off if they avoid grains containing the protein, a study shows.
- Psychology
Autism rates head up
Disorders may affect more kids than previously thought, a study in South Korea suggests.
