News
- Health & Medicine
Alcohol increases bacterium’s virulence
Drinking alcohol can increase the ability of one type of bacteria to cause disease.
- Health & Medicine
Ready-to-eat spinach bears tough microbes
Bagged spinach may contain a significant number of bacteria, many of which are resistant to several antibiotics.
- Health & Medicine
Raisins may combat cavity-causing bacteria
Raisins may fight the bacteria that cause cavities rather than contribute to tooth decay.
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Biofilm-producing bacteria could stabilize buildings
Bacteria that ooze a sticky matrix could help stabilize the soil beneath structures in earthquake-prone areas.
- 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.
By Ben Harder - 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.
By Nathan Seppa - Physics
Probing chemical signatures in an earthy way
Scientists have performed nuclear magnetic resonance analysis using Earth's magnetic field.
By Peter Weiss - 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.
By Ron Cowen - Materials Science
Whisking Whiskers: Nanobrushes sweep up
Researchers have made microscopic brushes with carbon nanotube bristles.
By Peter Weiss - 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.
By Sid Perkins - 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.
By Susan Milius - 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.
By Nathan Seppa