Not just lizards—alligators can regrow their tails too

American alligators are about as close to dinosaurs as you can get in modern times, and can grow up to 14 feet in length. While much smaller reptiles such as lizards are able to regenerate their tails, the question of whether ...

Ancient marine predator had a built-in float

About 240 million years ago, when reptiles ruled the ocean, a small lizard-like predator floated near the bottom of the edges in shallow water, picking off prey with fang-like teeth. A short and flat tail, used for balance, ...

Carnivorous dinosaur had crocodile-like senses

Paleontologists have discovered remarkable evidence of the sensory capabilities in the fossilized skin of a 155-million-year-old carnivorous dinosaur.

Bird genes are multitaskers, say scientists

Scientists from the University of Sheffield have found that although male and female birds have an almost identical set of genes, they function differently in each sex through a mechanism called alternative splicing.

Uncovering our solar system's shape

Scientists have developed a new prediction of the shape of the bubble surrounding our solar system using a model developed with data from NASA missions.

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