The winning numbers in Friday's drawing of the "Minnesota Gopher 5" game were: 6, 15, 22, 30, 35 (six, fifteen, twenty-two, thirty, thirty-five) ...

The smaller the particles, the more worrying they are. Particulate matter measuring 10 micrometers or less in diameter — a fraction of the width of a human hair — is referred to as PM10, and it is ...