horselight writes: "Vulcanologists have determined that volcanoes grow magnesium rich crystals in their vents before an eruption. Using this technique, eruptions can be reliably predicted within a year of accuracy."
DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Also, Slashdot's Facebook page has a chat bot now. Message it for stories and more. Check out the new SourceForge HTML5 internet speed test! ×