1,154 results
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Making Nuanced Memories
New nerve cells help the brain tell similar experiences apart.
- Life
Hormones give lantern sharks the glow
In a first, a study shows that bioluminescence can be controlled by slow-acting hormones, not rapid-fire nerve cells.
- 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.
