A Startup Says It Grew Human Sperm in a Lab—and Used It to Make Embryos

Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...

Scientists map how HIV hijacks human cells—and how cells can fight back

The human immunodeficiency virus (HIV), which is the cause of AIDS, is a master of deception, using just nine genes to hijack ...

New bioreactor turns stem cells into an immune-cell factory, producing 40 million human macrophages per week

Researchers at Hannover Medical School (MHH) have developed a method for the efficient production of human immune cells, such ...

Neanderthals may have shared key DNA for complex language, reshaping when human speech began

In a first-of-its-kind finding, researchers at University of Iowa Health Care discovered that specific genetic sequences have ...