Robots that track smells often fail when one of their sensors breaks. Now, researchers ...

Apple's current blood oxygen sensing implementation in the U.S. does not infringe on patents owned by Masimo and Apple will ...

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.