Innovative Chinese missile breathes air or water for multi-mode attacks
Supersonic in the air and supercavitating under the water
Dinosaurs weren’t wiped out by an asteroid 66 million years ago, study suggests
Researchers believe that huge, continent-spanning 'flood basalt' eruptions are what caused the mass extinction – and others in Earth's history
Bizarre Bluetooth mouthpiece mutes speech in public places
In effect, the Mutalk muffles a wearer’s speech by -20 decibels, or as much as -30 decibels for louder noises