A recent study suggests that money could have come into existence due to long-distance external exchange networks that could not rely on familiar, trust-based relationships.

Barred from aircraft manufacture after the war, but armed with engineering knowledge, Heinkel one-upped the Isetta with a monocoque shell, which made his microcar a full 220 pounds lighter than its ...

This new method could help in the removal of pollutants and improve efficiency for industrial processes, ranging from the production of fuels and medications to fertilizers and plastics. The ...

Yellow or green discharge (pus) in the eye The eyelids are stuck (matted) together with pus after sleep After being wiped away, the pus comes back during the day Often caused by a bacterial eye ...

A narrowing of the smallest airways in the lung (bronchioles) causes wheezing. This narrowing results from swelling caused by a virus. The respiratory syncytial virus (RSV) causes most bronchiolitis.