How to build an igloo
January 1, 2009, 11:14 a.m.
Hey, sometimes you just need to be prepared.
Solar innovations: Integrated 'coolroof' solar shingles
December 19, 2008, 2:01 a.m. by Karl Burkart
Solar tiles combine the benefits of "cool roofs" with solar PV, reducing installation costs by 50%.
Rap star Nelly has been quietly sending 2 kids to college every year for a decade
'Super mom' spotted on a Minnesota lake — with 56 ducklings in tow
'Grumpy Cat' wasn't so cranky after all
Photographer captures stunning image of eagle in symmetrical reflection
Tortoise 'marriage' ends after 115 years
8 things you don't know about sand dollars