Health

Sensors made from 'frozen smoke' can detect toxic formaldehyde in homes and offices

Researchers have developed a sensor made from 'frozen smoke' that uses artificial intelligence techniques to detect formaldehyde in real time at concentrations as low as eight parts per billion, far beyond the sensitivity of most indoor air quality sensors.

An ultrasound sticker senses changing stiffness of deep internal organs

A small ultrasound sticker, worn on the skin, can monitor the stiffness of organs deep inside the body. The sensor could detect signs of disease such as liver and kidney failure, and the progression of solid tumors.

The 'snowball' fight over global deep freeze periods

A research team has picked a side in the 'Snowball Earth' debate over the possible cause of planet-wide deep freeze events that occurred in the distant past. According to a new study, these so-called 'Snowball' Earth periods, in which the planet's surface was covered in ice for thousands or even millions of years, could have been triggered abruptly by large asteroids that slammed into the Earth.

'There is no right or wrong way to have alopecia'

Gail Porter, with her new wig, smiling at the camera

Gail Porter has shown people that bald is beautiful - but she can wear wigs too, says campaigner.

Sidebar

Magazine menu

Sensors made from 'frozen smoke' can detect toxic formaldehyde in homes and offices

An ultrasound sticker senses changing stiffness of deep internal organs

The 'snowball' fight over global deep freeze periods

'There is no right or wrong way to have alopecia'

More Articles …

More Articles …

HUNGRY FOR TRUTH? FEED THE NEED.