Search Results for: Whales
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Earth
In the past 15 years, climate change has transformed the Arctic
Accumulating evidence and new tools have helped scientists better understand how the Arctic is changing, but the pace has been faster than expected.
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Life
Before migrating, some blue whales switch up the timing of their songs
Pacific blue whales change the daily timing of their songs ahead of migration, helping scientists better anticipate these massive animals’ movements.
By Jake Buehler -
Animals
Barnacles are famed for not budging. But one species roams its sea turtle hosts
Once settled and glued to the substrate, adult barnacles stay put. But turtle barnacles upend this trend, sliding slowly across their reptilian rides.
By Jake Buehler -
Animals
A beaked whale’s nearly four-hour-long dive sets a new record
The animals may rely on large stores of oxygen, a slow metabolism and the ability to tolerate lactic acid to go for hours without surfacing for air.
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Animals
Using comb-shaped teeth, Baikal seals feed on tiny crustaceans like whales do
Seals in Lake Baikal use comb-shaped teeth to catch scores of amphipods, a study finds. The diet may be behind the seals’ relative success.
By Jake Buehler -
Animals
Beaked whales may evade killer whales by silently diving in sync
To slip past predators, beaked whales appear to synchronize their deep dives, staying silent while not hunting and ascending far from where they dove.
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Animals
How some lizards breathe underwater
Researchers have figured out how some anole lizards can stay underwater for as long as 18 minutes.
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Earth
Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark
The Last Ice Area may be the final refuge for summer sea ice and the creatures that depend on it. Saving it is an ambitious goal with many hurdles.
By Freda Kreier -
Animals
Cold War nuclear test residue offers a clue to whale sharks’ ages
One unexpected legacy of the Cold War: Chemical traces of atomic bomb tests are helping scientists figure out whale shark ages.
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Paleontology
Something mysteriously wiped out about 90 percent of sharks 19 million years ago
Deep sediments beneath the Pacific Ocean revealed a mystery: a massive shark die-off with no obvious cause.
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Animals
Parasitic worm populations are skyrocketing in some fish species used in sushi
Fishes worldwide harbor 283 times the number of Anisakis worms as fishes in the 1970s. Whether that’s a sign of environmental decline or recovery is unclear.
By Amber Dance