779 results
779 results for: Sharks
- Animals
Just enough fat is good for an elephant seal
Fat affects the buoyancy of marine mammals. As elephant seals get fatter, they can spend less energy swimming and more time foraging, a new study finds.
- Animals
Piggyback rides and other crocodile fun
We don’t know the playful side of crocodiles perhaps only because we haven’t looked.
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- Animals
Deepwater dweller is first known warm-hearted fish
The opah, a deep-diving fish, can keep much of its body warmer than its surroundings, making it similar to warm-blooded birds and mammals.
- 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.
- 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.
- Animals
Ten real-life Halloween horrors in the natural world
Vampires and witches are nothing compared to mind-controlling parasites, nose ticks and antibiotic-resistant superbugs.
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Archaeology
Year in review: Roster of dinosaurs expands
With the discovery of several new species and a few dogma-shaking revelations, dinosaurs got a total rethink in 2014.
- Animals
Australia’s unexpectedly dangerous creatures
Australia is home to an array of deadly things — from crocodiles to venomous snakes — but dangers can also be found among seemingly safe critters.
- Paleontology
Fossils suggest ancient sharks survived extinction event
Diving down deep in the ocean may have helped the fish live through the Great Dying 350 million years ago.
- 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.
