News
- 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.
- 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.
- 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.
- Paleontology
Diggin’ dinos
Structures found in Australian rocks may be the filled-in remains of the world’s oldest dinosaur burrows.
- 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.
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- 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.
- 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
- Earth
Signs of ancient sea ice
New analyses of Arctic seafloor sediments suggest floating ice debuted in the ocean at least 47.5 million years ago.
- Earth
Arctic images declassified
High-res Arctic sea images should be declassified, says National Research Council.
- Computing
Random numbers faster
Researchers have devised a way to use a laser to create strings of orderless bits for encryption.
