Different organs peak at different times, producing a steady, 24-hour pattern

Microplastics are everywhere, even settling down in the quieter reaches of the Rockies. Their effect on human health, if any, is to be determined

Oxygen-doped carbon nanotubes have applications in bio-imaging – and perhaps quantum computing, too

Other creatures replay their memories to make assessments, a revelation that has implications for humans, too

How limestone-covered algae sway global climate — and how their fate may shift as the oceans acidify