5,519 results
- Health & Medicine
Nobel in medicine honors discoveries of telomeres and telomerase
Three scientists share the Nobel Prize in Physiology or Medicine for the discovery of telomeres, which protect the ends of chromosomes, and the enzyme telomerase, which adds the structures to the ends of chromosomes.
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- Humans
Beefy hormones: New routes of exposure
On any given day, some 750,000 U.S feedlots are beefing up between 11 million and 14 million head of cattle. The vast majority of these animals will receive muscle-building steroids — hormones they will eventually excrete into the environment. But traditional notions about where those biologically active pollutants end up may need substantial revising, several new studies find.
- Humans
Statistical tests suggestive of fraud in Iran’s election
One mathematician’s closer look at voter ballot data reveals that results run afoul of Benford’s Law and show other suspicious anomalies.
- Life
Beetles grow weed killer
Beetle moms carry their own bacteria for making a compound to protect their gardens.
- Materials Science
A killer paint job
New findings suggest that nanotechnology paints for walls, ceilings and surfaces could one day be used to kill antibiotic-resistant bacteria in hospitals.
- Life
Community of one
Scientists have discovered how a single bacterial species living in a gold mine in South Africa survives on its own. Its genome contains everything it needs to live independently.
- Humans
Intel ISEF winners announced
Projects on smarter roundworms, glowing bacteria as pollutant detectors and the shared history of bees and nematodes take three top spots; Seaborg winner also named.
- Physics
Inventing the Light Fantastic
The history of the laser: An idea that began with Albert Einstein inspired a race to create a special beam of light that has since infiltrated numerous aspects of everyday life.
- Earth
Carbon caveat
Adding carbon compounds to some ocean systems may lead to a counterintuitive drop in their overall carbon content — and how much carbon dioxide the ocean could store.
- Life
Mimivirus up close
Scientists get a closer look at the structure of mimivirus, the largest virus in the world.
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Little by Little
As food allergies proliferate, new strategies may help patients ingest their way to tolerance.
