How do you know where a fish goes?

An acoustic transmitter — or tag — emits unique signals or ‘pings’ when scientists want to study the long-distance movement of marine animals. However, this method has limitations. Using a movement model, researchers reconstructed animal tracks and l…

Regenerating damaged heart cells in mice

Scientists have discovered a way to regenerate damaged heart muscle cells in mice, a development which may provide a new avenue for treating congenital heart defects in children and heart attack damage in adults, according to a new study.