Video: HOWTO make waterproof sand at home

YouTuber IncredibleScience has a great at-home science project that's kid-friendly: making waterproof sand. Read the rest

Video of sand grain microphotography

Last week, Cory posted about Dr. Gary Greenberg's marvelous microscope photography of sand grains. Greenberg literally wrote the book on sand grain microphotography, titled A Grain of Sand: Nature's Secret Wonder. Above, is a beautiful video promo for the 2008 book. Read the rest