"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Down and synthetic fill are used in cold weather and outdoor gear. Down insulation from duck and goose ...

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 ...