Use Clues to Solve an Ice Mystery
Use the physical characteristics of ice to determine where and how several mystery samples could have been frozen.
Forecasting Avalanches
Using field tests and a deep understanding of how to identify weaknesses in the snow pack, staff members from the Utah Avalanche Center forecast avalanches and take preventive measures.
Why Olympic Curling Stones Come From This Scottish Island
A small Scottish island is now the sole source of Olympic curling stone granite.
Meet John Weller, Our Winter Nature Photo Contest Judge
This nature photographer is drawn to pictures that capture a subject’s essence and tell a story.
A Nanoparticle Heart
This heart-shaped nanoparticle contains a trio of elements that helps drive the oxidation of ethanol in fuel cells.
Test the Finger Wrinkle Hypothesis
Perform an experiment to determine whether smooth or wrinkled fingers are better at holding wet objects. The experiment requires only a water bottle, paperclip, and plastic ruler.
Downloads: Video, student data sheet, illustrated instructions
Olympic Ski Jump Training in the Wind Tunnel
Physics Professor Adam Johnston, explains how, with the help of a wind tunnel, U.S. ski jumpers can fine tune the physics of their jumps along with the flow of air around their bodies in order to attain Olympic gold.
11:36
Greenland’s Fast-Moving Glacier Speeds Up
The Jakobshavn glacier reached speeds of more than 150 feet per day during the summer of 2012.
12:12
Hotter Weather, Heavier Rains Threaten Penguins
Move over polar bears—could penguins be the new poster children for climate change?
See the World Through Color-Filtering Lenses
Explore color by creating color-filtering glasses using paper and tinted cellophane.