News
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Youthful nicotine addiction may be growing
Although the rate of daily cigarette smoking has declined among teenagers and young adults over the past 20 years, the number of smokers in this age range who develop nicotine dependence has risen dramatically.
- Health & Medicine
Alcohol on your breath need not be all bad
Drugs such as insulin may be delivered by inhaling mists of medicine-containing alcohol.
- Animals
Shhh! Is that scrape a caterpillar scrap?
A series of staged conflicts reveals the first known acoustic duels in caterpillars.
- Health & Medicine
Drugs slow diabetes patients’ kidney damage
Two drugs normally prescribed for high blood pressure help forestall kidney damage in people with type 2, or adult-onset, diabetes.
- Materials Science
Ceramics stretch for future applications
Researchers have created a ceramic that stretches to 10 times its original length in record time.
- Physics
Model may expose how friction lets loose
Rather than just grinding past each other, sliding surfaces may tremble with minuscule ripples that overcome friction as they move along.
- Health & Medicine
Even a little coffee may up heart risk
Drinking just 1 to 3 cups of coffee daily may adversely affect blood concentrations of cholesterol and homocysteine.
- Paleontology
New Fossils Resolve Whale’s Origin
The first discovery of early whale fossils with key ankle bones intact provides compelling paleontological evidence that whales are closely related to many living ungulates, a relationship already supported by molecular data.
- Health & Medicine
Constipation might signal Parkinson’s
Men who are constipated are more likely to develop Parkinson's disease than men who are not.
- Health & Medicine
Obesity linked to pancreatic cancer
People who are obese or who have led sedentary lives with little exercise are more likely than others to develop pancreatic cancer.
- Tech
Designing planet rovers that tumble
Before the decade is out, towering wind-driven balloons may roam the Martian surface, traveling far more extensively than wheeled rovers do.
- Tech
Futuristic engine proves its mettle
A miniature missile shot from a cannon has demonstrated for the first time in free flight that a futuristic jet engine called a scramjet can propel itself.
