Uncategorized
- Health & Medicine
Pill Puzzle: Do antibiotics increase breast cancer risk?
A new study links antibiotic use to breast cancer, although it's not clear the drugs cause the disease.
- Health & Medicine
Drug Racing: Gene tied to HIV-drug response
A genetic mutation more common in blacks than in whites increases the odds that people taking a common HIV medicine will suffer side effects that lead them to halt treatment.
-
Monkey Love: Male marmosets think highly of sex
A new brain-imaging study in marmosets suggests that males sexually aroused by the scent of females may be thinking carefully before they mate, opposing the notion that nonhuman male mammals act purely upon a primal urge.
- Earth
Nanosponges: Plastic particles pick up pollutants
Nanometer-scale polymer particles can extract pollutants from contaminated soil.
-
19379
Your article says that tsunamis “disrupt winds,” leading to the appearance of dark bands. I propose that upwelling above the crests creates a new surface initially unaffected by the wind and therefore slick. Such bands of slick water formed by tides are a common sight in Puget Sound. Harry HigginsSeattle, Wash.
- Earth
Catching Waves: Ocean-surface changes may mark tsunamis
A new theoretical model that describes a tsunami's interaction with winds may explain enigmatic observations associated with the waves and could lead to a technique for spotting them long before they hit shore.
- Ecosystems
Bird Dilemma: More seabirds killed when boats discard fewer fish
A long-term study of great skuas shows that when fishing fleets discard less fish, birds that scavenge for waste make up for the loss by increasing attacks on other seabirds.
-
Neural Aging Walks Tall: Aerobic activity fuels elderly brains, minds
Moderate amounts of regular walking improve brain function and attention in formerly sedentary seniors.
- Humans
From the February 17, 1934, issue
First flight over Mt. Everest, blood tests link American Indians to Siberian tribes, and the discovery of the positron.
- Earth
Desert Life
What is a desert? How many deserts are in North America? This extensive Web site offers information about the desert environment and the unique characteristics that define the beautiful desert landscapes of the U.S. Southwest. It includes images, stories, movie and audio clips, and virtual-reality tours on many desert-related topics, from plants and animals to […]
- Humans
Letters from the Feb. 21, 2004, issue of Science News
Thin skin I find the language of “Thin Skin” (SN: 1/3/04, p.11: Thin Skin) to be judgmental and unscientific. For example, “desert pavement and their biota are wounded by human activity” is neither artistic nor scientific. Such narrow, biased views of ecology have no place in a scientific journal. Boone MoraGarden Valley, Calif. Out with […]
- Math
Hunting e
Of the irrational, transcendental numbers, pi seems to get all the attention. Web sites and books celebrate its quirks and quandaries. Its digits have been computed to 1,241,100,000,000 decimal places. Lagging far behind in the celebrity sweepstakes is the number known as e. Carried to 20 decimal places, e is 2.71828 18284 59045 23536. Only […]
