The Conversation

Countries in Europe have opened their borders and homes to Ukrainians fleeing Russian aggression. Of course, Ukrainians are far from the first group of refugees to need shelter and welcome from host countries. Refugees are vulnerable people who, because of limited opportunities in refugee camps, can be exposed to humanContinue Reading

What your eyes reveal about your health

Irina Bg/Shutterstock Scientists at the University of California, San Diego, have developed a smartphone app that can detect early signs of Alzheimer’s disease and other neurological conditions. The app uses the phone’s near-infrared camera to track changes in the size of a person’s pupils at a sub-millimetre level. These measurementsContinue Reading