Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many technical and ethical hurdles, what is the real motivation?

Contrary to long-standing assumptions, human egg cells stay pristine for decades not by ramping up waste disposal, but by ...

In this study, researcher developed a new imaging approach that combines two powerful techniques to solve this problem. First ...

It was the kind of radical reproductive technology that ordinarily might make a conservative Pentecostal politician deeply ...

In this study, researcher developed a new imaging approach that combines two powerful techniques to solve this problem. First, a special type of microscope called a two-photon microscope is used, ...

The membrane-bound organelle appears to play a huge role in helping cells sort, discard, and recycle their contents. It's ...

The potential for these kinds of machines to reshape computer processing, increase energy efficiency, and revolutionize ...

To print microscopic structures, scientists need to inject a liquid material called a photoresist into the cell. This special ...

Researchers identified that two cyclin D genes, ccndx and ccnd2a, independently regulate distinct stem and progenitor cell ...

Two new papers analyze fossils found in Canada and Kenya, respectively—vastly different environments for the preservation of ...

Hopkins expert Thomas Hartung discusses NIH announcement that it will no longer consider grant proposals that do not include ...