Walking is a natural phenomenon. The first people probably began walking millions of years ago in Africa. Previous research suggested that humans have been...
Dr. Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases, has tested positive for COVID-19. An 81-year-old man is believed...
As cases of coronavirus continue climbing, scientists have been scrambling to control the virus and find new ways to fight infection. But although it...