Method: EVA mouthguard materials with and without foam gas inclusions and 4 mm thick were impacted with a constant force from an impact pendulum. Various porosity levels in the foam materials were ...

Anybody who has oral, anal, or vaginal sex, or genital skin-to-skin contact with another person can get STDs — in fact, most sexually active people get one at some point in their life. STDs don’t ...

Ukraine's air force says one of its F-16 fighter jet pilots completed a "world first" last month by shooting down six Russian missiles during a single deployment. The pilot shot down the cruise ...