Search Results for: Vertebrates
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1,505 results
- Life
Scientists dig up proteins from the past
To learn how today’s proteins evolved, scientists are reconstructing ancient molecules.
- Animals
Salamander ancestors could regenerate limbs
Salamanders and ancient amphibians share similar way of regenerating limbs.
- Life
Fossilized fish skull shakes up the evolutionary history of jaws
Analysis of a 415-million-year-old fossilized fish skull suggest that the earliest jawed vertebrates probably looked a lot like modern bony fish.
- Life
A downy killer wages chemical warfare
The common fungus Beauveria bassiana makes white downy corpses of its victims.
- Paleontology
Fossil of monstrous fish-eating amphibian unearthed
A new Triassic species of giant amphibian lived like a crocodile instead of like its cute little salamander and frog relatives of today.
- Life
It’s true: Butterfly spots can mimic scary eyes
Contrary to recent studies, the old notion that butterfly wing eyespots evoke predator eyes may not be so old-fashioned after all.
- Physics
Pentaquarks, locked-in syndrome and more reader feedback
Readers discuss pentaquark sightings, delightful diatoms and whether an ancient four-legged fossil was actually a snake.
- Animals
Chameleon tongue power underestimated
A South African chameleon species can shoot its tongue with up to 41,000 watts of power per kilogram of muscle involved, a new study finds.
- Animals
Lazy sunfish are actually active predators
Ocean sunfish were once thought to be drifting eaters of jellyfish. But they’re not, new research shows.
- Paleontology
New evidence weakens case against climate in woolly mammoths’ death
Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.
- Paleontology
Fossil reveals terror bird’s power
Bones of a new terror bird confirm the creatures used their beaks to hatchet their prey but also raise questions about what drove the birds extinct.
- Paleontology
Museum fossil links snakes to lizards
Scientists have discovered the fossilized remains of the first four-legged snake. The fossil bridges the gap between snakes and lizards.
