Making sure a mask fits snugly on the face and use of two masks is likely to significantly reduce a person's exposure to the ...

He thought he could hack human performance with a single invention- an oxygen mask designed to make him faster, stronger, and ...

Personalized wearable devices that monitor people's health are on the rise. From watches to patches and other types of sensors, these smart devices can monitor heart activity, inflammation levels, and ...

When it was made: These masks date to at least the 16th century; the one photographed above dates to 1885. The Yup'ik people, whose ancestors arrived in southwestern Alaska around 800 years ago, are ...