Experts expect the order to face legal challenges for that reason. But what's also striking about the order is how it seeks ...

A study explains how age reshapes the blood system. In both humans and mice, a few stem cells out-compete their neighbors and gradually take over blood production. The loss of diversity results in a ...

A study in the journal Nature explains how age reshapes the blood system. In both humans and mice, a few stem cells, or ...

What's the difference between a product rating of 3.5 displayed with stars versus Arabic numerals? It might very well be the ...