810 results
810 results for: Sharks
- Animals
Why great white shark sightings are good news
Conservation measures implemented in the 1990s halted a decline in great white sharks in the Atlantic.
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- Health & Medicine
Pregnant women on the hook for calculating risks, benefits of fish
New draft FDA guidelines on fish for pregnant or nursing women make women do the math for how to maximize omega-3 fatty acids and minimize mercury exposure.
- Life
Dinos straddled line between cold- and warm-blooded
Tyrannosaurus rex and other dinosaurs straddled line between cold- and warm-blood, a new analysis finds.
- Animals
Winds predict deadly jellyfish blooms
A change in the winds flowing over Australia’s Great Barrier Reef coincides with reports of the potentially fatal Irukandji syndrome.
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- Oceans
The surprising life of a piece of sunken wood
Timber and trees that wash out to sea and sink to the bottom of the ocean hold a diverse community of organisms.
- Animals
The mystery of the missing fish heads
When scientists opened up the stomachs of shortfin mako sharks, they found that nearly all of the digesting fish had no heads or tails.
- Animals
Spotted seals hear well in and out of water
Spotted seals, native to the northern parts of the Pacific, hear frequencies that may mean they are susceptible to the effects of anthropogenic noise.
- Climate
Sharks could serve as ocean watchdogs
Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.
- Genetics
Elephant shark genome small and slow to evolve
The animals have the smallest genome of non-bony fishes and the slowest-evolving genes among vertebrates, a study suggests.
- Earth
Life’s early traces
Tiny tufts, rolls and crinkles in 3.5-billion-year-old rocks add to a growing body of evidence suggesting that cellular life got a relatively quick start on Earth.
