Viruses represent a threat to computers. Such famous malware as WannaCry and PETYA infected millions of PCs, causing irreparable harm. They are not so spread anymore, but there are thousands of dangerous

CAPE CANAVERAL, Fla. — The United States may have just taken a big step toward human spaceflight self-sufficiency with a first-of-its kind launch by SpaceX. SpaceX's Crew Dragon capsule embarked on its

We tend to think of sleep as a time when the mind and body shut down. But this is not the case; sleep is an active period in which a lot of important processing, restoration, and strengthening occurs.