Weather This Weekend, Nov 16
  • Friday

    Nov 16

    42° /33°F
    Mostly cloudy; chilly
    • Very Unlikely
    • for a snow day
    • Snow: 8%
    • Ice: 0%
    • Snow: 0 in
    More
  • Saturday

    Nov 17

    40° /24°
    Low clouds; chilly
    • Very Unlikely
    • for a snow day
    • Snow: 8%
    • Ice: 0%
    • Snow: 0 in
    More
  • Sunday

    Nov 18

    35° /26°
    Partly sunny; cold
    • Very Unlikely
    • for a snow day
    • Snow: 19%
    • Ice: 0%
    • Snow: 0 in
    More
Drought Colorado River

Dams: History, anatomy and common reasons for failure

November 12, 2018, 2:18:12 PM EST

Dams date back to around 2950-2750 B.C., when the ancient Egyptians built the first known dam, but it's not common to learn about their purpose and how they work. more

School Live Feed

Fri. Snow Day Potential