Search Results for: Vertebrates
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1,539 results
1,539 results for: Vertebrates
- Animals
Virgin Birth: Shark has daughter without a dad
DNA testing of two sharks confirms an instance of reproduction without mating, adding a fifth major vertebrate lineage to those known for occasional virgin births.
- Paleontology
Winged dragon
A quarry on the Virginia–North Carolina border has yielded fossils of an unusual gliding reptile that lived in the region about 220 million years ago.
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Extreme Healing: Protein aids limb regrowth in newts
The ability of newts to regenerate severed limbs depends crucially on a protein released by the insulating sheath around nerves.
- Paleontology
Big and Birdlike: Chinese dinosaur was 3.5 meters tall
Paleontologists have unearthed the remains of a gigantic birdlike dinosaur, 3.5 meters tall, that lived 70 million years ago in what is now China.
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Anemone reveals complex past
The starlet sea anemone, a primitive creature with ancient evolutionary roots, has a surprisingly complex genome.
- Animals
Built for Speed
Animals would prove fierce competitors at the Olympics — if only they would stay in their lanes.
- Health & Medicine
The Colorful World of Synesthesia
Science News for Kids explores the sensory explosion that defines the experience of people with this unusual, but not that uncommon nor unwelcome, condition.
- Paleontology
Digging the Scene: Dinos burrowed, built dens
Dinosaurs remains fossilized within an ancient burrow are the first indisputable evidence that some dinosaurs maintained an underground lifestyle.
- Tech
Unlocking the Gaits: Robot tests locomotion switch
A blocky, bright-yellow robot that would look at home in a toy chest moves like a salamander, just as its inventors intended.
- Paleontology
Bumpy Bones: Fossil hints that dinosaur had feathery forearms
A series of knobs on the forearm bone of a 1.5-meter-long velociraptor provides the first direct evidence of substantial feathers on a dinosaur of that size.
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Protein Lineages: Randomness was crucial to ancient genetic changes
Reconstruction of an ancient protein shows how seemingly unimportant mutations paved the way for its evolution into a molecule with an essential modern role.
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All in the Family
Contrary to popular belief, species of salamanders, birds, beetles and fish prefer to mate with close kin.
