Air conditioners contribute to climate change—this 40‑year‑old treaty aims to limit the harm

Brain training shows promise for short-term depression relief

Training that encourages people to alter their brain's activity seems to reduce negative emotions among people with depr…

To turn invisible, we need to tweak the path light travels

Turning invisible is a handy superpower in fiction — we don’t see you, Sue Storm! — but the technology to make it work i…

A closer look at hard-to-see cells could answer new questions about nerve damage and recovery

Under the microscope, mitochondria inside healthy terminal Schwann cells form a web of interconnected branches, with tin…