Novel plastics can rid themselves of germs using only air and light.
Destruction of rainforests through wildfires or deforestation may harm human health. As these forests disappear, we may be losing precious medicinal plants that hold treatments for various diseases.
Our bodies have a set of defenses that are finely tuned for killing invading microbes. With rising cases of drug-resistant bacteria, maybe boosting our natural defenses is the best medicine.