An anonymous reader writes: Scientists have come up with an explanation for the 1200-year-long ice up also called the big freeze, the last major cold age on Earth.
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! ×