US conducts nuclear test in Nevada hours after Russian move to revoke global test ban
"These experiments advance our efforts to develop new technology in support of U.S. nuclear nonproliferation goals"
Ramjet-powered artillery shell sets new range record
Modern artillery has made many advances, but in terms of range, the guns used by the Western powers haven't improved more than marginally
Scientists offer a new explanation for Long Covid
Depleted serotonin could especially explain memory problems and some neurological and cognitive symptoms
