News
- Health & Medicine
Heart attack treatment: Better late than never
A new study contradicts the notion that heart attacks run their course in less than a day and suggests that even delayed treatment can preserve endangered heart tissue.
- Health & Medicine
Cocaine abusers get more heart aneurysms
Regular cocaine users are about four times as likely as nonusers to have an aneurysm in a coronary artery.
- Physics
Probing chemical signatures in an earthy way
Scientists have performed nuclear magnetic resonance analysis using Earth's magnetic field.
- Planetary Science
Opportunity rolls out of Purgatory
After being stuck for nearly 5 weeks, the Mars rover Opportunity has freed itself from a sand trap on the Red Planet.
- Materials Science
Whisking Whiskers: Nanobrushes sweep up
Researchers have made microscopic brushes with carbon nanotube bristles.
- Earth
Wetland Blanket: Volcanic sulfates may curb methane emission
Field studies hint that the deposition on wetlands of sulfate compounds from the atmosphere could temporarily stifle those regions' natural emissions of methane.
- Humans
Using one’s head
Porters in Nepal turn out to be the most efficient human load carriers yet recorded, carrying burdens that average 93 percent of their body weight.
- Health & Medicine
No Sugar Babies: Study suggests treating gestational diabetes
Women with gestational diabetes who receive dietary counseling, regular blood sugar monitoring, and insulin as needed lessen their risk of birth complications.
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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.
- Archaeology
Ancient 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.
- Health & Medicine
Preventing PMS: Vitamin and mineral let women avoid syndrome
Ample calcium and vitamin D in the diet prevent premenstrual syndrome in some women.
- Planetary Science
Planet 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.
