
Science
No, they’re not a mirage — learn how these ingenious ice towers are helping communities preserve water for dry times
Using glacier water and pipes (with a big boost from gravity), Indian engineer Sonam Wangchuk has devised a way to store water in the dry high desert.

Science
Methane isn’t just cow farts; it’s also cow burps (and other weird facts you didn’t know about this potent greenhouse gas)
Why learn about methane? Because it could be our chance to make a real dent in global warming, says environmentalist Fred Krupp.