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Posts tagged ash

February 18, 2015


Yellowstone geyser surrounded by colorful (red and yellow) bacteria

Super Volcanoes

Yellowstone sits atop a super volcano that could blow any day now.

September 21, 2011


burnt paper

All Burned Up: Where Does Burnt Paper Go?

You took a stack of paper and burnt it. What happened to the papers when you lit them up?

April 29, 2011


coal rock

Coal May Have Contributed To Mass Extinction

Canadian researchers have found evidence that coal may have contributed to the disaster that killed off the dinosaurs.

September 30, 2003


The Oldest Human Footprints

Learn about the oldest human footprints on this Moment of Science.

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