News
- Astronomy
Motion of two nearby galaxies clouds the picture
The Large and Small Magellanic Clouds are not gravitationally bound to the Milky Way, but are relative newcomers passing by for the first time.
By Ron Cowen - Planetary Science
Titan: Land of lakes—and drizzle
A newly assembled mosaic of radar images of Saturn's moon Titan shows what appear to be hydrocarbon lakes and seas.
By Ron Cowen - Chemistry
Platinumfree fuel cell
Cheaper than a typical hydrogen fuel cell, a new, platinumfree cell runs on a "green" liquid fuel.
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Spying Vision Cells: Eye’s motion detectors are finally found
Primates, like other mammals, possess specialized retinal cells that detect motion.
- Paleontology
Fossil mystery solved?
Experiments in a Florida swamp show how aquatic creatures can get trapped and preserved in amber, a form of hardened tree sap.
By Sid Perkins - Humans
Mice, Magnetism, and Reactions on Solids
The 2007 Nobel prizes in the sciences recognized research in genetics, materials science, and surface chemistry.
- Health & Medicine
Moving up the Charts: Drug-resistant bug invades military, civilian hospitals
Acinetobacter baumannii, a common bacterium, is becoming more virulent and drug resistant in hospitals.
By Brian Vastag - Astronomy
Sunstruck: Solar hurricanes rip comet’s tail
Images from a spacecraft show a magnetic hurricane from the sun severing a comet's ion tail.
By Ron Cowen -
Shifty Talk: Probing the process of word evolution
Words change more quickly over the millennia the less frequently they are used, a quantitative result that may aid in reconstructing old languages and predicting future changes.
By Bruce Bower - Animals
Eat a Killer: Snake dines safely with strategic delays
An Australian snake kills dangerous frogs then waits for their defensive chemicals to degrade before eating them.
By Susan Milius - Physics
Light does some weird math
Adding a photon to a light pulse then taking one out gives a different result from doing the same operations the other way around.
- Health & Medicine
Antibiotic improves recovery from stroke
An antibiotic called minocycline seems to limit brain damage and disability in stroke patients.
By Nathan Seppa