Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
From the August 28, 1937, issue
Trying to revive an ancient Australian tree called Great-Grandfather Peter, first report of the eerie light known as Cerenkov radiation, and the discovery of a new vitamin.
- Health & Medicine
Bad Bug: Microbe raises stomach cancer risk
A gene in some strains of the bacterium Helicobacter pylori may greatly increase the risk of stomach cancer.
- Humans
Letters from the September 1, 2007, issue of Science News
Risk reversal? “Diabetes drug might hike heart risk” (SN: 6/23/07, p. 397) reports 86 heart attacks among 15,560 rosiglitazone (Avandia) users, versus 72 others in a control group of 12,283. A study coauthor then says that “after statistical adjustment, that yields a 43 percent higher risk of heart attacks among rosiglitazone users.” Simple arithmetic would […]
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- Health & Medicine
When antioxidants go bad
Overproduction of antioxidants, usually thought to be beneficial, is the cause of an inherited heart disease.
- Humans
The Wealth of Nations
Analysis of the connections among different types of economic activities explains why some countries succeed, and others fail, in diversifying their economies.
- Health & Medicine
Measuring Soft Drinks’ Jolt
Researchers report what most soft-drink labels don't: how much caffeine your refreshments contain.
- Humans
From the August 21, 1937, issue
Solar astronomers argue over the influence of sunspots on the weather, Hubble (the man, not the telescope) finds a comet, and paramecia discover sex.
- Health & Medicine
Infectious Obesity: Adenovirus fattens stem cells
Some cases of obesity may result from infection by a virus that can transform adult stem cells into fat-storing cells.
- Health & Medicine
If You Can Stomach It: Obesity surgery extends life span
Drastic weight loss achieved through gastric bypass and other stomach surgeries improves long-term survival for very obese people.
- Health & Medicine
Vaccine targets ovarian-cancer cells
A vaccine for ovarian cancer enables some women who've undergone chemotherapy to stay in remission.
- Archaeology
Map yields new view of ancient city
A new map shows that Angkor, the world's largest preindustrial city, covered more than 1,000 square kilometers of what is now Cambodia and possessed an elaborate canal system.
