For a certain kind of intricate, highly-detailed manufacturing, there’s really no substitute for a resin 3D printer, and it’s therefore unfortunate that they require so many poisonous chemicals. The ...
For decades, checking blood sugar meant the same routine: a lancet, a test strip, a drop of blood, and a number that told you nothing about what happened an hour ago or what might happen next. That ...
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.