Beethoven's DNA reveals health and scandal secrets.

Researchers have used DNA analysis to uncover genetic risk factors for liver disease and a hepatitis B infection in Beethoven's genome. Engineers at Columbia University have used a 3D-printing machine and laser technology to assemble and cook a seven-ingredient vegan cheesecake. Climate scientists have discovered that atmospheric change caused the dreamy haze in Monet's paintings. Researchers think they know what caused 'Oumuamua to go zipping around our sun. Scientists have created mice from two biologically male parents for the first time.