Leeches, a valuable tool in hospitals
Their taste for blood might be scary, but they actually are a valuable tool in hospitals around the world. They are leeches.
This hotel in Norway has unusual guests...
Drugs and pesticides: a pollution invisible to the naked eye
This uncle-nephew duo post amazing videos of their adventures caving
Meet the red-shanked douc
Exposing inhumane conditions at factory farms
This bird went extinct and came back to life thousands of years after