News tagged with sharks
Related topics: fish
Amazing skin gives sharks a push
Shark skin has long been known to improve the fish's swimming performance by reducing drag, but now George Lauder and Johannes Oeffner from Harvard University show that in addition, the skin generates thrust, ...
Feb 09, 2012 |
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UF report: 2011 shark attacks remain steady, deaths highest since 1993
Shark attacks in the U.S. declined in 2011, but worldwide fatalities reached a two-decade high, according to the University of Florida's International Shark Attack File report released today.
Feb 07, 2012 |
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Fisherman's gold: Shark fin hunt empties west African seas
Retired fisherman Sada Fall is upbeat. His two sons are returning from sea with a boatload of "gold", as he calls shark fins, whose value has near-obliterated the ocean's top predator in these seas.
Jan 08, 2012 |
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Singapore supermarket to stop selling shark fin
Singapore's largest supermarket chain will stop selling shark fin products from April after an inflammatory comment by one of its suppliers triggered calls for a boycott from activists and the public.
Jan 06, 2012 |
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The Ichthyosaurs survived longer than was thought
(PhysOrg.com) -- The discovery of a new species of ichthyosaurs considerably changes our understanding of the evolution and the extinction of these dinosaur age sea reptiles, according to a study published ...
Other Sciences / Archaeology & Fossils
Jan 05, 2012 |
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World-first discovery of hybrid sharks off Australia's east coast
(PhysOrg.com) -- Hybrid black tip shark containing both Common and Australian black tip DNA.
Dec 22, 2011 |
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Study of skates and sharks questions assumptions about 'essential' genes
Biologists have long assumed that all jawed vertebrates possess a full complement of nearly identical genes for critical aspects of their development. But a paper in the December 16 issue of Science with Benjamin King of the ...
Dec 15, 2011 |
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Not Finding Nemo becomes a reality
(PhysOrg.com) -- Three Simon Fraser University biologists and an International Union for Conservation of Nature (IUCN) scientist say it’s no longer fiction but fact. No one will be able to find Nemo if conservation action ...
Dec 13, 2011 |
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New study illustrates the physics behind great white shark attacks on seals
A new study examining the complex and dynamic interactions between white sharks and Cape fur seals in False Bay, South Africa, offers new insights on the physical conditions and biological factors underlying ...
Dec 09, 2011 |
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From curses to sacrifices, S.Africa's deadly shark puzzle
The beach is a breathtaking site, the Indian Ocean rolling endlessly toward dramatic hills of lush forest sloping down to the powdery sand.
Dec 05, 2011 |
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Hong Kong's shark fin traders feel pressure to change
The owner of Shark's Fin City, a dried fin wholesaler in Hong Kong's quarter for all things shrivelled, says there are only a few people who know the truth about sharks, and he's one of them.
Nov 28, 2011 |
5 / 5 (1) |
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The shark, a predator turned prey
Sharks may strike terror among swimmers at the beach but the predators are increasingly ending up as prey, served up in fish-and-chips shops, sparking concern among environmentalists.
Nov 25, 2011 |
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Conservation body agrees to protect silky sharks
(AP) -- Delegates at an international conservation meeting agreed Saturday on a measure mandating that silky sharks accidentally caught in fishing gear be released back into the sea alive, marine advocacy ...
Nov 19, 2011 |
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Details of ancient shark attack preserved in fossil whale bone
A fragment of whale rib found in a North Carolina strip mine is offering scientists a rare glimpse at the interactions between prehistoric sharks and whales some 3- to 4-million years ago during the Pliocene.
Other Sciences / Archaeology & Fossils
Nov 10, 2011 |
5 / 5 (1) |
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Scientists film hagfish anti-shark slime weapon
(PhysOrg.com) -- The hagfish found in New Zealand’s deepest waters is grotesque enough, thanks to its scary protruding teeth straight from a horror film. Now, scientists have witnessed the full ...
Oct 28, 2011 |
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