Iranian authorities and people are increasingly using cryptocurrencies to evade sanctions. The US is playing catch-up.

A freeze-dried blood product that could be stored for years on ambulances or in remote emergency departments is showing ...

A shelf-stable, freeze-dried platelet product shows promise in treating TBI by reinforcing damaged blood vessels and reducing ...

This story includes discussion of suicide. If you or someone you know needs help, the national suicide and crisis lifeline in ...

Hibernation can vary by species. Martin says some hibernators, such as ground squirrels, rewarm—or wake up from hibernation ...