Tapeworms need to keep their head to regenerate

Scientists have identified the stem cells that allow tapeworms to regenerate and found that their location in proximity to the head is essential, according to a new study in eLife.

Hunter's find leads to discovery of prehistoric sea creature

A fossil found by an elk hunter in Montana nearly seven years ago has led to the discovery of a new species of prehistoric sea creature that lived about 70 million years ago in the inland sea that flowed east of the Rocky ...

The evolution of turtle neck retraction

One of the unique and most iconic features of many modern turtles is that they can withdraw their neck and head to hide and protect them within their shells. The group name of species which do this, Cryptodira, even means ...

Dinosaurs' rise was 'more gradual,' new fossil evidence suggests

Researchers have discovered two small dinosaurs together with a lagerpetid, a group of animals that are recognized as precursors of dinosaurs. The discovery made in Brazil and reported in the Cell Press journal Current Biology ...

Long-necked dino species discovered in Australia

Scientists unveiled fossils Thursday from a new species of giant, long-necked dinosaur unearthed in northeast Australia, speculating that its ancestors had trekked across Antarctica some 105 million years ago.

page 3 from 7