Ask a Scientist: Why do roaches die lying on their backs?

July 26, 2015 04:00 PM

UPDATED July 26, 2015 07:20 PM

More Videos

  • What's Up in the night sky for November 2017

    Catch planet pairs and watch the moon pass stellar superstars! See Jupiter and Venus at dawn, the Moon shine near star clusters, and meteor activity all month long.