Search Results for: Vertebrates
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1,505 results
- Neuroscience
Melatonin and the watery beginnings of sleep
The tiny zooplankton Platynereis dumerilii use melatonin just as much as we do, suggesting that the origins of sleeplike behavior may lie under the sea.
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Paleontology
Lost-and-found dinosaur thrived in water
Fossils pieced together through ridiculous luck reveal Spinosaurus to be the only known dinosaur adapted for regular ventures into water.
- Paleontology
Giant platypus tooth found
A fossil molar found in Australia reveals a previously unknown extinct species of the mammal.
- Life
Genes gives clues to outcome of species interbreeding
Genetics provides clues to why hybrid river fish formed a subspecies but insects formed a new species.
- Life
Domesticated animals’ juvenile appearance tied to embryonic cells
Mild defects in embryonic cells could explain physical similarities along with tameness across domesticated species.
- Life
Primitive fish could nod but not shake its head
Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles.
- Animals
Fish-eating spiders are the stuff of nightmares
Spiders that feast on fish can be found on every continent but Antarctica, a new review finds.
- Animals
New fungus species found killing salamanders
First there was amphibian killer fungus Bd. Now there's Bs.
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- Animals
Secrets of a sailfish attack
The large, long-nosed sailfish use their rostrums more like a sword than a spear to attack prey.
- 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.
