Scientists use hyaluronic acid, a common skincare ingredient, to create a powerful, invisible film for smart devices.

There are more than 50 theories for the function of this 12-sided, pentagonal-faced bronze object — but archaeologists have never quite figured it out.

Object Details patent granted to Sommer, Adolph maker Sommer, Adolph Description Patent model for Adolph Sommer, “Neutralizing Sulphochlorinated Organic Compounds,” U.S. Patent 419,726 (Jan. 21, 1890) ...