What happens in the seconds before a high-stakes penalty is not simply a test of courage, willpower or preparation.

U.S. President Donald Trump’s pledge to give Ukraine a license to produce Patriot air-defense systems could mark a major ...

Six years after their birth, terahertz quantum-cascade lasers can now deliver milliwatts or more of continuous-wave coherent radiation throughout the terahertz range — the spectral regime between ...

The ability of pathogens, such as parasites, bacteria, fungi and viruses to invade, persist and adapt in both invertebrate and vertebrate hosts is multifactorial and depends on both pathogen and host ...