New research show how cells respond to internal forces when they orient, gain traction, and migrate in a specific direction. How do cells move in a certain direction in the body -- go to a wound site ...

HONG KONG (Reuters) - Officers from China's top internal security force - the People's Armed Police – joined Hong Kong police on the frontlines to observe anti-government protests that peaked last ...

Researchers have uncovered friction without contact—driven entirely by magnetic interactions. As two magnetic layers slide, their internal forces compete, causing constant rearrangements that ...