Uncategorized
- Health & Medicine
Expanding the therapeutic arsenal
Two experimental drugs can send chronic myeloid leukemia into remission in patients who don't benefit from the best currently available drugs.
- Health & Medicine
Drug counters severe platelet shortage
An experimental drug called AMG531 revs up production of platelets in people with severe shortages of these clotting agents.
- Health & Medicine
Viagra eases lung pressure in patients
Viagra eases increased blood pressure in the lungs, a condition that affects about one-third of adults with sickle-cell disease.
- Health & Medicine
Taking on a lethal blood cancer
A drug called bortezomib can induce remission of an aggressive kind of non-Hodgkin's lymphoma.
- Humans
Tobacco treaty on its way
An international tobacco-control treaty will go into effect on Feb. 28, 2005.
- Animals
Paper wasps object to dishonest face spots
Female wasps with dishonest faces, created by researchers who altered the wasps' natural status spots, have to cope with extra aggression.
- Earth
Shake Down: Deep tremors observed at San Andreas fault
Patterns of activity for a type of tremor that occurs deep beneath California's San Andreas fault may offer scientists a way to foretell earthquake activity there.
- Materials Science
Sweet Glow: Nanotube sensor brightens path to glucose detection
An implantable glucose sensor based on carbon nanotubes could allow patients with diabetes to monitor their blood sugar levels without the need for daily pinprick tests.
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This article mentions “ferricyanide, an electron-hungry molecule.” This puzzled me no end. Aren’t ferricyanide molecules, unlike their ions, electrically neutral? I’m trying to visualize ravenous molecules gobbling up innocent electrons. Ernest NussbaumBethesda, Md. Ferricyanide is indeed an ion, with a negative charge of –3. It’s electron hungry because, counterintuitively, it draws an electron from the […]
- Health & Medicine
Male contraceptive shows promise in monkeys
A shot that primes the immune system against a sperm protein might be the next male contraceptive.
- Anthropology
Fossil ape makes evolutionary debut
Newly discovered fossils from an ape that lived in what's now northeastern Spain around 13 million years ago may hold clues to the evolutionary roots of living apes and people.
- Anthropology
Apes, monkeys split earlier than fossils had indicated
A new genetic analysis pushes back the estimated time at which ancient lineages of monkeys and apes diverged to between 29 million and 34.5 million years ago, at least 4 million years earlier than previously thought.
