MILAN — Interest in direct-energy weapons is rising in the Gulf region, a technology in which Israel has proclaimed itself a leader with the fielding of the Iron Beam. Absent the breakthrough ...

Prince Harry has had a royal reunion at the Invictus Games - days after wife Meghan Markle jetted home to California. At the penultimate day of the event in Vancouver and Whistler, the Duke of ...

ADHD has been linked to insomnia, and can increase the chance of sleep disruptions or the time it takes to fall asleep. What's more, because sleep deprivation is known to exacerbate ADHD symptoms ...

School of Physics and Laboratory of Zhongyuan Light, Zhengzhou University, Zhengzhou 450000, China ...