784 results
784 results for: Sharks
- Animals
How fish biologists discovered birds of paradise have fluorescent feathers
A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.
- 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.
- Neuroscience
Some healthy fish have bacteria in their brains
Animals including mammals usually protect their brains from infiltrating microbes that can cause disease. But some fish seem to do just fine.
- Animals
Why a small seabird dares to fly toward cyclones
Tracking data show that Desertas petrels often veer toward cyclones and follow in their wake, perhaps to catch prey drawn to the surface.
- Health & Medicine
This python-inspired device could make rotator cuff surgeries more effective
A new device, modeled after a python’s teeth and grip, could double the strength of rotator cuff repairs and prevent retearing after surgery.
- 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.
- 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.
- Climate
Plants might not hold on to carbon as long as we thought
Radiocarbon from bomb tests reveals that plants store more carbon than previously estimated in leaves and stems, which are vulnerable to degradation.
- 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.
- 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.
- 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.
- 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.
