During his first day in office, Biden signed 17 executive orders and actions—rolling back Trump-era policies and directives, and restoring Obama-era programs. dirty g strings GENDER-REVEAL PYROTECHNIC SPARKED MASSIVE EL DORADO FIREAuthorities said the incident remains under investigation by state police and the bomb disposal unit. dirty g strings nbsp;The spacecraft is guided solely by pre-programmed controls in its onboard computer, due to a roughly 11 minute signal delay between Earth and Mars. dirty g strings Pfizer in December said its late-stage trials found the vaccine to be just over 50% effective following the first dose, with some immunity seen after 12 days. dirty g strings