Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.
Evolution
Nov 17, 2022
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193
The trade in shark fins, turtles, and other threatened species will come under scrutiny at a global wildlife summit in Panama, starting Monday, that will also focus on the spread of diseases such as COVID-19.
Ecology
Nov 12, 2022
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32
The Japanese government has decided to reject landmark rules on the trade in sharks, an official said Friday, opting for status quo despite a global push to protect the predators.
Ecology
Jun 1, 2013
1
0
Swimming in complex underwater environments, fish are unmatched when it comes to motion control and flexibility. For decades, researchers have been inspired to copy nature's most gifted swimmers to optimize underwater vehicle ...
General Physics
Feb 22, 2022
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223
A trove of fossils in China, unearthed in rock dating back some 436 million years, have revealed for the first time that the mysterious galeaspids, a jawless freshwater fish, possessed paired fins.
Evolution
Sep 28, 2022
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142
South Africa's great white sharks face the threat of extinction after a rapid decline in numbers caused by trophy hunting, shark nets and pollution, according to a study released Wednesday.
Ecology
Jul 20, 2016
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186
In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the open access journal ...
Evolution
Dec 4, 2009
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0
Early tetrapods, such as Ichthyostega, moved onto land from aquatic environments over 350 million years ago. Skeletal anatomy demonstrates that the front and hind limbs of these early tetrapods correspond to the pectoral ...
Archaeology
Oct 28, 2016
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19
At this week's IEEE International Electron Devices Meeting (IEDM 2013), imec reported the first functional strained germanium (Ge) quantum-well channel pMOS FinFETs, fabricated with a Si Fin replacement process on 300mm Si ...
Electronics & Semiconductors
Dec 11, 2013
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0
A skin resembling armor, rapid healing abilities, continuous tooth renewal and the capability for limb regeneration—this might sound like the description of a creature from a superhero film. Surprisingly, these are standard ...
