Uncategorized
- 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.
- Chemistry
Energy on Ice
Recent efforts to unlock a frozen source of natural gas deep under the permafrost and ocean floor have energized prospects for a methane-hydrate industry.
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This article states that the gas-hydrate deposit near Prudhoe Bay “contains more than 1.2 trillion cubic meters of gas. That’s twice the total amount of natural gas consumed annually in the United States. . . .” Does it behoove us to invest the time and dollars it will take to tap that field for a […]
- Health & Medicine
A Matter of Time
Some patients are diagnosed with severe heart attacks in or near hospitals that can't offer them the best treatment, but is emergency transport to a better-equipped facility worth the delay?
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- Humans
From the June 15, 1935, issue
Dedication of a new observatory, Einstein proved correct, and mice shed light on epilepsy.
- Health & Medicine
Brain Aneurysms
Nobody wants a brain aneurysm, a dangerous bulge in a blood vessel. But it’s comforting to know that aneurysms are often treatable. This Web site offers information on treatment options, recovery, support groups, and upcoming seminars. The Brain Aneurysm Foundation, a nonprofit group that provides education and support services to patients and their families, maintains […]
- 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.
