Reggae immortal Bob Marley has joined Barack Obama and Elvis Presley in the elite club of those who have biological species named in their honour.
A gunman has ambushed and killed a campus cop and was later found dead at Virginia Tech, the site of one of the worst shooting rampages in US history.
BP could start plugging its oil well on Monday night, more than three months after its rupture led to the worst offshore oil spill in US history.