Idomeni Camp Evacuated

The Greek authorities have begun an operation to evacuate thousands of migrants and refugees from a camp at Idomeni, near the Macedonian border. Hundreds of police moved in at dawn and started taking people to buses that will transfer them to official camps with better facilities.

Eritrea celebrates 25 years of Independence.

Research engineers at the Georgia Institute of Technology are developing a knee band with microphones and vibration sensors to listen to and measure the sounds inside the knee joint. The noises can then by assessed to determine knee damage.