Australian actor Martin Grelis, who appeared in the 1999 first installment of The Matrix film series, has died at the age of 57. “Martin was a bright spark who lit up every room he was in—a talented ...

Galaxies and clusters are the ensembles of stars and other astronomical objects bound together by gravitational forces. Galaxies are ordered into galaxy groups, which are in turn organised into ...

Bacteria are not usually seen as reliable carriers of information because they divide, move, die, and react unpredictably to their environment – and these behaviors seem opposite to what is needed for ...