2,477 results
- Earth
Don’t Bite the Dust
Several studies show that children and adults accumulate substantial amounts of the flame retardants called PBDEs—from food, breast milk, and probably house dust.
- Health & Medicine
Sick and down
To fight off an infection or illness, the body shifts into a slow-down mode that mirrors some symptoms of depression. In fact, scientists now think the immune response itself may even cause the mood disorder.
- Life
Astrocytes are rising stars
Astrocytes, brain cells previously thought to be support cells for neurons, regulate blood flow in the brain and may aid neuron signaling. The regulation of blood flow makes visualizing brain activity with fMRI possible.
- Physics
Decoding the Quantum Mystery
An essay by Tom Siegfried, SN's Editor in Chief, explores how signals from space to Earth could establish the reality of Einstein's worst fear.
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Sickness and Schizophrenia: Psychotic ills tied to previous infections
Two new studies provide evidence for the longstanding suspicion that certain viral infections early in life promote the development of schizophrenia and related psychotic disorders.
- Health & Medicine
Let there be light
Researchers report restoring vision to people with a rare, genetic form of blindness. A different technique helped blind mice see again and could bring back some sight in people with macular degeneration, retinitis pigmentosa or other blinding diseases.
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Potent Promise: Essential Stemness
Scientists move closer to understanding the dual fates of embryonic stem cells — to divide or develop.
- Tech
A Moment in the Life of a Cell: Microscopic scan images without intruding
A laser technique similar to a CAT scan produces 3-D images of living cells without the need for chemical staining.
- Health & Medicine
Animal-to-human diseases could be right at home
A new map of where SARS or Ebola might erupt next highlights North America and Western Europe as likely sources.
- Archaeology
La Brea del Sur
Excavations at tar pits in Venezuela suggest that the fossils found there may rival those of the famed Rancho La Brea tar pits in Southern California.
- Computing
Scientists Get a 2nd Life
The virtual world of Second Life offers new ways to do and learn about real science.
- Animals
Killer mice hit seabird chicks
A surveillance video shows a worrisome sight: house mice nibbling to death rare seabird chicks on a remote island breeding colony.
