News
- Health & Medicine
Chimpanzees die from primate version of HIV
A new study links the simian immunodeficiency virus to serious AIDS-like illness in a wild population.
- Life
Protein plays three cancer-fighting roles
The tumor suppressor protein, p53, has three ways to protect cells from turning cancerous. A new study shows that p53 helps make microRNAs.
- Life
Sleeping ugly
Analysis pinpoints genes that help springtails dehydrate and tough out the winter.
- Space
Jupiter takes it on the chin
Images reveal that an object has recently bashed into Jupiter, 15 years after the first of 21 chunks of Comet Shoemaker-Levy 9 struck the giant planet and created a memorable display of dark spots, waves and plumes.
By Ron Cowen - Life
Web decorating with garbage
Spider webs adorned with decaying food remains attract more attacks, but maybe there’s a defensive trade-off at work.
By Susan Milius - Health & Medicine
Early testing for Alzheimer’s
Spinal fluid test in people with mild cognitive impairments can predict in many cases who will develop the disease.
By Nathan Seppa - Paleontology
Diggin’ dinos
Structures found in Australian rocks may be the filled-in remains of the world’s oldest dinosaur burrows.
By Sid Perkins - Physics
Raindrops go it alone
A new study using a high-speed camera finds the shattering of solitary drips can produce a variety of sizes.
- Humans
New view of iconic moon walk
NASA previews digitally restored footage from Apollo 11.
By Sid Perkins - Life
Old gene, short new trick
A single genetic modification is linked to the stature of short-legged dog breeds, new research shows.
- Psychology
Neighborhood unity offers behavioral protection for poor kids
A five-year study of British families finds that young children living in low-income communities show fewer signs of serious behavior problems if they have close-knit, concerned neighbors.
By Bruce Bower - Health & Medicine
300 milliseconds from hand to head
New work shows that the “rubber hand illusion” only works when a hand feels a sensation no more than 300 milliseconds before the eyes see it