The finding, along with the discovery of a 500,000-year-old hammer made of bone, indicates that our human ancestors were making tools even earlier than archaeologists thought. By Franz Lidz Early ...

Have you ever wondered why red light therapy feels so different from a sweaty, high-heat traditional sauna? The mix-up is common, and it's how people end up using an infrared sauna the wrong way.

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

University of Pennsylvania scientists have revealed the AI-driven HoloRadar system that lets robots see around corners using ...