News
- Humans
Rapid emotional swings could precede violence
A tool from physics helps link the patterns of psychiatric patients’ symptoms and the likelihood they will commit violent acts.
By Bruce Bower - Space
Blob may signal monster galaxy feeding
Researchers have found a giant blob of gas and stars, the fourth most distant object known in the universe. The blob may offer the earliest snapshot of a very young galaxy caught in the act of gobbling up material for growth.
By Ron Cowen - Health & Medicine
A urine test may predict lung cancer risk
A urine test that reveals levels of two tobacco-related compounds may identify which smokers are most prone to developing lung cancer, a new study finds.
By Nathan Seppa - Humans
Naps may help infants form abstract memories
Napping critically assists 15-month-olds in remembering the underlying structure of the language adults speak to them, a new study indicates.
By Bruce Bower - Physics
Nanoclusters seem to skirt physics law
In simulations, tiny loophole allows colliding nanoclusters to increase speed after impact.
- Earth
An earlier appearance for the first land plants
Fossilized pollen could show that modern land plants evolved earlier than thought.
- Planetary Science
Antarctic ecosystem holds unusual microbes
Long isolated deep under a glacier, life thrives in dark, salty water by breathing iron and eating sulfates.
By Sid Perkins - Health & Medicine
Seemingly misplaced DNA acts as lenses
Nocturnal animals orient DNA in retinal cells to focus light.
- Health & Medicine
Epilepsy drug might harm fetuses
Young children born to women who took the drug valproate for epilepsy during pregnancy have lower IQ scores, on average, than children whose moms used a different antiepilepsy medication.
By Nathan Seppa - Life
Lizards sunbathe for another reason
Panther chameleons may regulate their vitamin D levels by lounging in the sun.
- Tech
Cloaked eye still sees
Researchers have proposed a model that would allow sensors to send and receive information virtually undetected.
- Plants
Yo, aphid, I’m red and I’m bad
Apple trees support the idea that red fall colors are a warning signal to insects.
By Susan Milius