A new paper claims that intelligent aliens would only be interested in contacting the most technologically advanced planets, and Earth doesn't make the cut.
BF.7 is a new version of the coronavirus SARS-CoV-2 that's driving a surge of infection in China.
The Jya Fjord Air Purifier is stylish, efficient and easy to use, but its high price and limited settings may be a deal breaker for some.
Useful, cost-effective nuclear fusion remains a distant dream, despite a small step in the right direction from the government's NIF reactor.