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- Math
Armor-Plated Puzzle
Behind the beautiful patterns of many viral shells lie principles of pure physics and mathematics that scientists have illuminated in recent theoretical studies.
By Peter Weiss - Humans
From the January 5, 1935, issue
Karl T. Compton, Einstein explains relativity theory, and controlling cancer cells.
By Science News - 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.
By Ben Harder - Health & Medicine
Mexican Americans face stroke risk
Middle-aged Mexican Americans face twice the stroke risk that non-Hispanic whites do.
By Nathan Seppa - Tech
When the Chips are Down
Scientists seek alternatives to a computer technology nearing its limits.
By Laura Sivitz - Archaeology
Seeing Past the Dirt
Increasingly, researchers are using geophysical techniques such as ground-penetrating radar and magnetometers to target their excavations.
By Sid Perkins - 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?
By Ben Harder -
Seek and Destroy: Virus attacks cancer, spares normal cells
A virus carried by mosquitoes naturally homes in on cancer cells and destroys them.
By John Travis - 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.
By Susan Milius - 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.
By Science News - 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.
By Janet Raloff