805 results
805 results for: Sharks
- Earth
Moby Dick meets Jaws
A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.
- Life
Poached hammerhead fins traced to endangered populations
Mapping populations with DNA comparisons offers possible tool for conservation of hammerhead sharks.
- Humans
Wildlife trade meeting disappoints marine scientists
The 15th meeting of signatories to the CITES treaty ended on March 25 without passing several proposals to protect high-profile fish species.
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2010 Science News of the Year: Molecules
Credit: Happy Little Nomad/Wikimedia Commons Gimme an F Chlorophyll, the pigment that makes the world go ’round, has come in four known flavors for more than 60 years: chlorophylls a, b, c and d. Now scientists have discovered another version of the pigment that allows plants and other photosynthesizing organisms to harness sunlight for making […]
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Big Fishing Yields Small Fish
Researchers map predator loss and predict unstable oceans.
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- Animals
Basking sharks head south for winter
Satellite-tagging data suggest that basking sharks migrate south to the Caribbean in winter.
- Earth
Ancient marine reptiles losing their cool
Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.
- Life
Ingredients of hagfish slime revealed
Figuring out the ingredients still doesn’t explain how the fishes avoid premature mucus explosions
- Life
Parenthood: Male sharks need not apply
A second case of a virgin shark birth suggests some female sharks may be able to reproduce without males.
- Chemistry
2009 Science News of the Year: Molecules
Tangles of collagen IV chains link at globules via sulfur-nitrogen bonding (illustrated above). Credit: Courtesy of Science/AAAS New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds […]
