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19563
I am shocked and incensed by the study described in this article. It is unconscionable that nutritional counseling for gestational diabetes was kept from pregnant mothers. Susanna NapieralaKenwood, Calif.
By Science News -
Smoking’s Reward: Nicotine triggers opiate-pleasure response
A study of mouse brains suggests that nicotine works via the same pathways that give morphine and other opiates their addictively rewarding qualities.
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ArchaeologyAncient Glassmakers: Egyptians crafted ingots for Mediterranean trade
New archaeological finds indicate that by about 3,250 years ago, Egypt had become a major glass producer and exporter.
By Bruce Bower -
Health & MedicinePreventing PMS: Vitamin and mineral let women avoid syndrome
Ample calcium and vitamin D in the diet prevent premenstrual syndrome in some women.
By Ben Harder -
Planetary SciencePlanet Hunt Strikes Rock: Hot kin of Earth orbits nearby star
Astronomers have found the closest known cousin to Earth, a solid world just 15 light-years beyond the solar system.
By Ron Cowen -
19562
It seems to me that “Earthlike” is overused in the media. One always ends up using too many qualifiers. Gliese 876’s orbit is very un-Earthlike, and its mass is too. Let’s wait until the star-to-planet distance of a future exoplanet ranges from that of Venus to Mars and the mass is no more than twice […]
By Science News -
AstronomyMaking waves
Locked in a deadly embrace, two white dwarf stars may be the strongest source of gravitational waves now flooding our galaxy.
By Ron Cowen -
AstronomyThe supernova that wasn’t
A brilliant stellar outburst once thought to be a supernova explosion actually left the star intact.
By Ron Cowen -
AstronomyAndromeda gets bigger
A new study reveals that the diameter of the Andromeda galaxy's disk spans some 220,000 light-years, three times as big as had been estimated.
By Ron Cowen -
PaleontologyNewfound dinosaur wasn’t sticking its neck out
Fossils of a new, 10-meter-long sauropod species excavated in South America suggest that, unlike most of its massive kin, the creature had a relatively short neck.
By Sid Perkins -
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TechSlick trick snags catalyst
A costly type of catalyst sticks to Teflon, suggesting a new way to recover these chemicals from solutions.
By Peter Weiss