More Stories from the June 30, 2001 issue
- Health & Medicine
Critical Care: Sugar Limit Saves Lives
Strictly controlling blood-sugar concentrations in critically ill patients can reduce deaths by a third.
- Earth
Ozone flares with fireworks festivities
Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.
- 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.
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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
Condor chicks hatch in zoo and wild
Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.
- 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.
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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
Saving fertility for cancer survivors?
A compound called sphingosine-1-phosphate preserves fertility in female mice given radiation treatment.
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- Health & Medicine
Seemingly safer steroid mimics
A glucocorticoid mimic may offer the autoinflammatory effects of steroids with fewer side effects.
- Health & Medicine
Alzheimer’s damage might start off early
Copper and free radicals may initiate the brain damage of Alzheimer's disease long before its hallmark protein plaques have formed.
- Tech
Dances with Robots
Soldiers, rescue workers, and others may attain superhuman strength, speed, and endurance as a result of a new military program to develop powered robotic exoskeletons contoured to a person's body.
