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Human anatomy

On a Razor’s Edge: Beards and Reforms in Iran

Arts, Culture & Media

In Iran, the president’s facial hair can be of major political significance. The new President Rouhani’s neatly groomed beard is seen as an indicator of his reformist credentials.

Police facial-recognition scanners raise privacy concerns

Environment
The World

Emerging Science Note: Nano Ear

The World

Science Note: Healing Vocal Cords

Dental Bonding: Dangerous to your Health?

Dental Bonding: Dangerous to your Health?

In recent years, the American Dental Association (ADA) has been advocating the use of plastic dental sealants to fill cavities. However, in a study whose findings were published in the journal Environmental Health Perspectives, some of the plastics used appear to contain some possibly health damaging ingredients. Now the ADA is modifying it’s position to […]

The World

Emerging Science Note/Ear to the Ground

Scientists look at cricket ears to model new human hearing aids.