"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Genuine down insulation comes from duck and goose feathers, and is the warmest insulator you can get.

Science can be difficult to explain to the public. In fact, any subfield of science can be difficult to explain to another scientist who studies in a different area. Explaining a theoretical science ...

Researchers have demonstrated the ability to engineer materials that are both stiff and capable of insulating against heat. This combination of properties is extremely unusual and holds promise for a ...

When you think of denim, your mind probably goes to your favorite pair of jeans—not your basement walls. Surprisingly, recycled denim insulation is quickly earning a place in the home-renovation world ...

When energy bills spike unexpectedly, property owners often scramble for quick fixes. Yet the real solution lies hidden within walls, attics and crawl spaces where inadequate insulation quietly drains ...