In fact, fighting directly against negative thoughts often makes them stronger, like trying to hold a beach ball underwater only to have it explode back to the surface with even more force.

(CNN) — Australian sprinter Gout Gout may only be 17, but Olympic 200-meter champion Letsile Tebogo says the teenage sensation has the potential to be one of the greatest athletes in history.

Long-wave infrared birefringent crystals are essential materials in infrared optical applications in fields such as infrared imaging, laser technology, and optical communications. Due to ...