5,015 results
- Humans
From the January 5, 1935, issue
Karl T. Compton, Einstein explains relativity theory, and controlling cancer cells.
- Humans
EPA to fine DuPont over ingredient in Teflon
The Environmental Protection Agency says it may levy a fine surpassing $300 million against DuPont for concealing evidence that it was contaminating the environment with perfluorooctanoic acid.
- Health & Medicine
Mexican Americans face stroke risk
Middle-aged Mexican Americans face twice the stroke risk that non-Hispanic whites do.
- Tech
When the Chips are Down
Scientists seek alternatives to a computer technology nearing its limits.
- Archaeology
Seeing Past the Dirt
Increasingly, researchers are using geophysical techniques such as ground-penetrating radar and magnetometers to target their excavations.
- Tech
Quantum dots light up cancer cells in mice
Brightly fluorescent crystals known as quantum dots have the potential to seek out cancerous cells in the body, a trick that could lead to highly precise cancer screening.
- Health & Medicine
A Matter of Time
Some patients are diagnosed with severe heart attacks in or near hospitals that can't offer them the best treatment, but is emergency transport to a better-equipped facility worth the delay?
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Seek and Destroy: Virus attacks cancer, spares normal cells
A virus carried by mosquitoes naturally homes in on cancer cells and destroys them.
- Animals
Separate Vacations: Birds winter apart but return in sync
Mated pairs of black-tailed godwits may fly off to winter refuges a thousand kilometers apart but can still arrive back at their breeding site the next spring within a few days of each other.
- Humans
From the October 20, 1934, issue
Searching New York's East River for golden treasure, enormous canyon discovered in Mexico, and new radioactive elements predicted.
- Earth
New accord targets long-lived pollutants
Negotiators drafted an agreement to ban or phase out some of the world's most persistent and toxic pollutants.
- Health & Medicine
Alzheimer’s Advance: Omega-3 fatty acid benefits mice
A diet that includes a key omega-3 fatty acid found in fish prevents some memory loss in mice that develop a disease resembling Alzheimer's.
