1,152 results
- Materials Science
Cornering the Terahertz Gap
Controlling light’s path could enable invisibility or harness an intriguing but so far elusive stretch of the spectrum.
- Materials Science
Fishy flash
Fish alter the growth of crystals in their skin, making it supershiny.
- Physics
Invisibility within sight
Two new studies take steps toward practical materials that can bend light backward, which could lead to invisibility cloaks.
- Animals
Clownfish noisemaker is new to science
Clownfish make "pop-pop-pop" noises at each other by clacking their teeth together in a novel way.
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Tag! You’re It
Biologists catch and tag big sawfish in Florida waters.
- Earth
Hammered Saws
Sawfish, shark relatives that almost went extinct several decades ago, have now gained protection by international treaty.
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The Next Ocean
Increasing carbon dioxide in the air is changing the pH of the ocean, which could mean very different communities of sea creatures.
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Stranded: A whale of a mystery
Scientists generally agree that sonar can trigger strandings of certain whales, but no one really knows what leads these deep divers to the beach.
- Physics
Dropping the Ball: Air pressure helps objects sink into sand
A ball plunges deeper into sand under atmospheric pressure than under a vacuum, because the presence of air allows sand to flow like a liquid.
- Humans
Letters from the November 11, 2006, issue of Science News
The Carolinas to New Jersey “Bad-News Beauties: Poison-spined fish from Asia have invaded U.S. waters” (SN: 9/9/06, p. 168) cites evidence of a severe genetic bottleneck, suggesting that perhaps no more than three pregnant females launched the expanding western Atlantic red lionfish population. How can there be “pregnant females” in an animal with the external […]
- Humans
Science News of the Year 2007
A review of important scientific achievements reported in Science News during the past year.
