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Castles in the Sand     Brief exhibit. Sandcastle Science. Why don't they collapse? To make sand castles, you've got to be down near the water. That's where you'll find damp sand - dry sand just won't hack it. From Castles made of sand http://whyfiles.org/shorties/sandcastle.html

Ice Fishing for Neutrinos     Seeing stars through a frozen telescope in Antarctica. The Largest Telescope on Ice Goes Hunting for the Most Elusive Particle in the Universe. Supernova 1987A sent a 10-second burst of neutrinos that demonstrated the potential of neutrino astronomy. From The Great Neutrino Hunt http://whyfiles.org/004antarctic/

Extra planetary perception     Beyond Our Solar System? It's a pretty picture, but is it a planet? The discovery of a planet in 1996 that could resemble Jupiter in its size and orbit is focusing attention on this ageless question: are we alone in the universe? From Extraplanetary perception http://whyfiles.org/017planet/

Einstein: still right     Amazingly enough, as the century closes scientists are still gathering evidence that the revolutionary physicist Albert Einstein got it right when he developed relativity theory early in this century. From Everything's relative http://whyfiles.org/052einstein/

Moon's river     Water on the Moon? Water on Mars? Even on a moon of Jupiter? On March 5, 1998, NASA scientists announced the discovery of water - good ol' H2O - on the moon. Instead of a dusty, barren and dry satellite, our orbital companion now seems dusty, barren and wet. From Lunar ice http://whyfiles.org/060moons/

Our readers ask     Answers to common science questions - with the right answers - like why is the sky blue? What is lightning? What are the states of matter? From Blue skies http://whyfiles.org/071questions/

Art attack     Art Crimes. How does science help to solve fraud - the most popular category of art crime? Art fakery is a peculiar beast. Sometimes driven by pure greed. Sometimes it's driven by misplaced artistic admiration. From ArtATTACK http://whyfiles.org/081art_sci/

Beach erosion     Oceans are rising. Beaches are sinking. Any cures in sight? If you need some second-hand boxes, the Cape Hatteras Lighthouse is the place to look. From Disappearing beaches http://whyfiles.org/091beach/