800 results
800 results for: Sharks
- Health & Medicine
Shark cartilage doesn’t appear to help lung cancer
Patients taking an extract show no improvement.
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2010 Science News of the Year: Numbers
The Tao of traffic lights When a traffic light goes green can seem to hinge on whimsy rather than the number of vehicles waiting. Scientists propose speeding up traffic by making signals go with the flow (SN: 10/23/10, p. 8). Inspired by the movement of crowds through narrow spaces such as doorways, Swiss and German […]
- Humans
Geographic profiling fights disease
Widely used to snare serial criminals, a forensic method finds application in epidemiology.
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Science From On High
Google Earth gives researchers new access.
- Paleontology
Fossilized poop bears tooth marks
Shark-bitten fecal matter probably came from an assault on an ancient croc.
- 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.
- Plants
Chlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
- 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.
