810 results
810 results for: Sharks
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- Paleontology
Sea Dragons
About 235 million years ago, as the earliest dinosaurs stomped about on land, some of their reptilian relatives slipped back into the surf, took on an aquatic lifestyle, and became ichthyosaurs—Greek for fish lizards.
- Earth
Clipping the Fin Trade
New research and policy developments aim to curb the wasteful and gruesome practice of killing sharks solely for their fins.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
- Earth
Catch Zero
It generally has taken less than a generation for modern, industrial-scale fishing, once deployed in a new plot of ocean, to exhaust the vast majority of the sea’s edible bounty and leave behind decimated ecosystems and depleted economic opportunities.
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Beast Buddies
As researchers muse about the evolutionary origins of friendship, even the social interactions of giraffes are getting a second look.
- Earth
Dead Waters
Coastal dead zones—underwater regions where oxygen concentrations are too low for fish to survive—are mushrooming globally, threatening to transform entire ecosystems.
- Health & Medicine
A Fishy Therapy
Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.
- Ecosystems
Decades of Dinner
Sunken whale carcasses support unique marine ecosystems that display stages of succession and change, just as land ecosystems do.
- Ecosystems
Empty Nets
New research has begun challenging long-held assumptions about the consequences for fish stocks of harvesting the biggest fish first.
- Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
