Search Results for: Shark
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Animals
Here’s how many shark bites there were in 2023
The chance of being bitten by a shark is still incredibly slim, according to a new report from the Florida Museum of Natural History.
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Animals
Does this drone image show a newborn white shark? Experts aren’t sure
If a claim of the first-ever sighting of a newborn white shark holds, it could help solve a mystery of where adult white sharks give birth.
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Life
Megalodon, the largest shark ever, may have been a long, slender giant
The ancient shark is typically imagined with the scaled-up stout frame of a modern great white. But in life, the giant may have been more elongated.
By Jake Buehler -
Paleontology
Megalodon sharks may have become megapredators by running hot
O. megalodon sharks were warm-blooded megapredators. But colder-blooded great white sharks may have had an evolutionary edge when food sources dwindled.
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Animals
These are our favorite animal stories of 2023
Spiders that make prey walk the plank, self-aware fish and a pouty T. rex are among the critters that enchanted the Science News staff.
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Animals
Why some hammerhead sharks seem to ‘hold their breath’ during dives
Scalloped hammerhead sharks in Hawaii seem to limit the use of their gills during deep dives to prevent losing heat to their surroundings.
By Freda Kreier -
Animals
Migratory fish species are in drastic decline, a new UN report details
The most comprehensive tally of how migrating animals are faring looks at more than 1,000 land and aquatic species and aims to find ways to protect them.
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Oceans
‘Jet packs’ and ultrasounds could reveal secrets of pregnant whale sharks
Only one pregnant whale shark has ever been studied. New underwater techniques using ultrasound and blood tests could change that.
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Animals
Fish beware: Bottlenosed dolphins may be able to pick up your heartbeat
Fish, sharks and platypuses are adept at sensing electrical signals living things give off. Bottlenosed dolphins make that list too, studies suggests.
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Animals
These devices use an electric field to scare sharks from fishing hooks
SharkGuard gadgets work by harnessing sharks’ ability to detect electric fields. That could save the animals’ lives, a study suggests.
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Oceans
Sharks face rising odds of extinction even as other big fish populations recover
Over the last 70 years, large ocean fishes like tuna and marlin have been recovering from overfishing. But sharks continue to decline toward extinction.
By Jake Buehler -
Ecosystems
Tiger sharks helped discover the world’s largest seagrass prairie
Instrument-equipped sharks went where divers couldn’t to survey the Bahama Banks seagrass ecosystem.
By Nikk Ogasa