News
- Health & Medicine
Saving fertility for cancer survivors?
A compound called sphingosine-1-phosphate preserves fertility in female mice given radiation treatment.
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Women show the ways to maturity
A 39-year study finds three different patterns of healthy psychological development among women, each of which emphasizes particular goals and trade-offs.
- Health & Medicine
Glucose control spares arteries in diabetes
Very strict control of blood glucose concentrations helps limit atherosclerosis formation in people with type I, or juvenile-onset, diabetes.
- Animals
Condor chicks hatch in zoo and wild
Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.
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Math fears subtract from memory, learning
In a study of college students, high levels of anxiety about taking mathematics tests interfered with memory processes needed to perform difficult arithmetic problems.
- Animals
Microbe lets mite dads perform virgin birth
A gender-bent mite—in which altered males give birth as virgins—turns out to be the first species discovered to live and reproduce with only one set of chromosomes.
- Earth
Ozone flares with fireworks festivities
Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.
- Health & Medicine
Critical Care: Sugar Limit Saves Lives
Strictly controlling blood-sugar concentrations in critically ill patients can reduce deaths by a third.
- Health & Medicine
Forget about jet lag, and much more
Airline flight attendants with chronic jet lag have higher stress hormone concentrations and smaller temporal lobes (centers of short-term memory in the brain)than do more rested attendants.
- Health & Medicine
Prostate protection? This is fishy
Diets rich in fish may cut a man's risk of prostate cancer.
- Animals
Fruit flies hear by spinning their noses
Drosophila have a rotating ear—and odor-sensing—structure that's new to science.
- Health & Medicine
Studies suggest how salad may protect heart
Lutein, a yellow pigment in many fruits and vegetables, may inhibit processes that jump-start the development of atherosclerosis.
