All Stories
- Health & Medicine
Computers read mammograms to detect breast cancer
Mammogram–scanning computers can help radiologists detect breast cancers that would otherwise escape diagnosis.
- Planetary Science
A little bit of Mars on Earth
Scouring an ice field in Antarctica, scientists have made the latest discovery of a chunk of rock that was blasted from Mars and fell to Earth.
- Physics
Starting from Square One
Physicists appear to have wedded the arcane theory of quarks to cutting-edge computer science, giving themselves tools for precisely predicting properties of subatomic matter and possibly observing new physical phenomena.
- Ecosystems
Corals without Boarders
The last decade has been a great era for discovering corals in the deep ocean, but a United Nations report warns that these cold, dark reefs urgently need protection.
- Math
Math Olympiad in Athens
A team from the United States placed second in this year's International Mathematical Olympiad.
- Humans
From the July 28, 1934, issue
Swamp dinosaur fossils found in Wyoming, secrets of famous violin makers revealed, and a cancer-causing virus.
- Earth
Hurricane Season
The U.S. Geological Survey offers a Web site devoted to the impact of hurricanes and extreme storms on coastal regions of the United States. Historical information reviews the effects of such hurricanes as 2003’s Isabel and 1996’s Fran. Another section looks at erosion along the U.S. West coast caused by El Niño-induced changes. The site […]
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Invasive Genes: Humans incorporate DNA from parasite
Bits of foreign DNA from the parasite that causes Chagas' disease becomes integrated into the DNA of infected hosts, marking the first time that parasitic DNA has ever been found in the human genome.
- Chemistry
Velcro Therapy: Branching polymer wards off scarring after eye surgery
Specially designed polymer molecules called dendrimers reduce scar tissue formation after glaucoma surgery, dramatically improving the procedure's outcome.
- Astronomy
Universal Truths: Distant quasars reveal content, age of universe
Using quasars as searchlights on the distant universe, astronomers have mapped the distribution of gas between galaxies with unprecedented precision, allowing precise determinations of the age of the universe.
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Lighting Up the Rainbow: Color perception tied to early visual experience
A study of baby monkeys finds that exposure to natural light in the year after birth fosters their ability to recognize colors as lighting gets brighter or dimmer.
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Gutless Wonder: New symbiosis lets worm feed on whale bones
A newly discovered genus of marine worm can take nourishment from sunken whale skeletons, thanks to a previously unknown form of symbiosis.
