6,697 results
- Humans
From the March 23, 1935, issue
Darwin's favorite plant is re-studied, rare hydrogen isotope is extracted from water, and need for strong lighting is questioned.
- Plants
Long search reveals cell receptor for plant growth
More than 70 years after biologists identified the important plant growth hormone auxin, they have finally found a cell-receptor molecule for it.
- Humans
Letters from the October 1, 2005, issue of Science News
Name game Does the name of Honda’s robot, Asimo, have a meaning in Japanese, or is it just a tip of the hat to Isaac Asimov (“Easy Striders: New humanoids with efficient gaits change the robotics landscape,” SN: 8/6/05, p. 88)? Dennis LynchGlenshaw, Pa. Asimo’s name stands for Advanced Step in Innovative MObility.—N. Moreira Under […]
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19530
This article ends with the remark, “overall, ‘coercion plays a more important role than kinship in favoring cooperation in insect societies.'” But there’s no proof in the article of this being true in the wasps’ activities overall. Only some of their egg handling is mentioned. If the conclusion is true, it overthrows 40 years of […]
- Humans
Letters from the February 12, 2005, issue of Science News
Short end of the chromosome Since “women with chronically ill children generally reported more stress” and since “there was a very striking connection between stress and telomere length” (“Stressed to Death: Mental tension ages cells,” SN: 12/4/04, p. 355), isn’t it probable that there is a strong connection between telomere length and becoming the parent […]
- Animals
Cops with Six Legs
Insects commit crimes against their colonies, and researchers are taking a closer look at how these six-legged criminals get punished.
- Earth
Blowflies shed mercury at maturity
Blowflies that absorb mercury from fish carcasses they feed on as larvae rid themselves of much of that toxic metal when they become adults.
- Health & Medicine
Codes for Killers: Knowledge of microbes could lead to cures
Scientists have deciphered the DNA of the parasites responsible for African sleeping sickness, Chagas' disease, and leishmaniasis.
- Earth
Warm Spell: Arctic algae record shift in climate
Analyses of sediment samples taken from remote arctic lakes indicate that the climate across large swaths of the Northern Hemisphere has been warming for many decades.
- Humans
From the March 30, 1935, issue
Dust storms over Washington, D.C., 300 successive generations of fruit flies, and the world's oldest cemetery.
- Health & Medicine
Swallowed a Fly: Insects may spread foodborne microbe to chickens
Flies sucked through the ventilation ports of industrial chicken coops may spread the pathogen Campylobacter jejuni, which can ultimately sicken people who eat undercooked chicken.
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Poisonous Partnership
Tools from molecular biology are providing new insights into the viruses employed by parasitoid wasps to manipulate their caterpillar hosts.
