Humans
We summarize the week's scientific breakthroughs every Thursday.
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- Health & Medicine
New route to insulin-making cells
Researchers have found cells resembling stem cells in the mouse pancreas, suggesting new ways to treat diabetes.
- Health & Medicine
Receptor may be cancer accomplice
Suppressing a receptor protein called neuropilin-2 slows colon cancer growth in mice.
- Humans
Letters from the February 2, 2008, issue of Science News
Eye for an eagle The photo illustrating “Hatch a Thief” (SN: 12/15/07, p. 372) does not show a golden eagle. The bill of a golden eagle is black on the outer half and pale blue at the base, and the feathers on the back of its head are bright tawny. It could be a white-tailed […]
- Humans
From the January 22, 1938, issue
Lightning striking again and again, estimating the age of the oceans, and dangerous, youthful drivers.
- Humans
Want a Science Debate?
Presidential contenders have been debating a broad range of issues. Science isn't one of them.
- Health & Medicine
Bariatric Reversal: Stomach surgery curbs some patients’ diabetes
Weight-loss stomach surgery in obese people with type 2 diabetes sends the disease into remission in some patients.
- Humans
Letters from the January 26, 2008, issue of Science News
Bad medicine? In “Unseen Risk: Lifestyle, physical problems may underlie psoriasis link to early mortality” (SN: 12/22&29/07, p. 389), the definition of patients with severe psoriasis as those needing systemic drugs raises the question whether treatment itself may be linked to early mortality. The journal article cited in the story indicates that some systemic treatments […]
- Humans
From the January 15, 1938, issue
Radio-assisted snowplows, getting to know the "X" particle, and ancient frozen mammoths found in Siberia.
- Anthropology
Infectious Voyagers: DNA suggests Columbus took syphilis to Europe
A genetic analysis of syphilis and related bacterial strains from different parts of the world fits the theory that Christopher Columbus and his crew brought syphilis from the Americas to Renaissance Europe, where it evolved into modern strains of the sexually transmitted disease.
- Humans
A Thirst for Meat: Changes in diet, rising population may strain China’s water supply
Rapid industrialization, an increase in population, and a growing dietary preference for meat in China are straining the country's water resources to the point where food imports probably will be needed to meet demand in coming decades.
- Health & Medicine
Phoenix Heart: Replacing a heart’s cells could ease transplants
Scientists removed all the cells from a dead rat heart, injected new heart cells, and produced a beating heart, paving the way for eventually growing organs for transplantation in humans.
