News
- 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.
