2013 , including the discovery of numerous Earthlike exoplanets , the development of viable lab-grown ears , teeth , livers and blood vessels , and the atmospheric entry of the most destructive meteor since 1908 . The year also saw successful new treatments for diseases such as HIV , Usher syndrome and leukodystrophy , and a major expansion in the use and capabilities of technologies such as 3D printing and autonomous cars
most destructive meteor since 1908
Chelyabinsk meteor
2013 in science