Can gold mining be more sustainable?

A study details the severe degradation and deforestation caused by gold mining in tropical forests, as well as the biophysical challenges associated with effectively restoring these landscapes.

Robotic drug capsule can deliver drugs to gut

A new drug capsule can help large proteins such as insulin and small-molecule drugs be absorbed in the digestive tract. The capsule has a robotic cap that spins and tunnels through the mucus barrier when it reaches the small intestine, allowing drugs c…