Uncategorized
- Astronomy
Zooming in on a great void
New X-ray observations provide the most detailed view yet of the environment near a supermassive black hole.
By David Shiga - Materials Science
Magnetic nanorods on cruise control
Chemists have created miniature engines out of nanoscale metallic rods that propel themselves using chemical energy.
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Whalebones show damage from diving
Long-lived sperm whales typically develop bone damage not previously observed in marine mammals but found in some human divers who surface quickly or dive frequently.
By Ben Harder - Earth
Air pollution trims fetal growth
Pregnant women who breathe polluted air deliver babies that are typically slightly smaller than those born to other mothers.
By Ben Harder -
Getting to gray hair’s roots
Scientists have unveiled a root cause for why hair goes gray.
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Goodnight moon, hello Mom and Dad
A California survey indicates that the practice of allowing babies and toddlers to sleep in the same bed as their parents do occurs in two forms, each with its own implications for the quality of family sleep and the children's psychological development.
By Bruce Bower -
19506
This article attributes behaviors of earlier bedtime, longer sleeping, and earlier weaning to “greater personal independence” in children who sleep alone. It is equally possible that these behaviors are due to something else. Research predicting which children and families will benefit from co-sleeping or alone sleeping would be more useful. Heather Kuiper and Loren RauchOakland, […]
By Science News -
Same brain region handles whistles and words
Brain areas already implicated in the use and comprehension of spoken language play comparable roles in the whistled messages of shepherds living on an island near Spain.
By Bruce Bower -
19505
Your article reports that left brain areas normally associated with language comprehension are activated in shepherds who communicate in a whistled language. I wonder if the same brain regions would respond similarly in people who “speak” American Sign Language or Morse code. Lisa LincolnBrooklyn, N.Y. In 2000 , Science News reported that this area of […]
By Science News - Humans
Nobel Celebrations
A firsthand account unveils the pageantry that surrounds the awarding of the Nobel prizes in Stockholm.
By Emily Sohn - Astronomy
The Hole Story
New evidence suggests that supermassive black holes have an impact on the evolution of galaxies that goes far beyond their gravitational grasp.
By Ron Cowen - Humans
From the January 12, 1935, issue
A Mayan figurine, star composition, and gene locations.
By Science News