OCD breakthrough – optogenetics

By applying light stimulation to highly specific neurons in the brain, the researchers managed to re-establish normal behaviour in mice

Huge falls in diabetes mortality since mid-1990s

Both the UK and Canada have experienced huge falls in diabetes-related mortality since the mid-1990s, with the result that the gap in mortality risk between those with and without diabetes has narrowed substantially

The pheromone that helps men co-operate

Androstadienone influences other men's behavior and reinforces the developing finding that humans are susceptible and responsive to these chemical signals

Does personality have a smell?

We can tell a lot about other people from their odour. Can we tell what their personality is like? Scientific American has this report

The scent of melanoma

Odors from human skin cells can be used to identify melanoma, the deadliest form of skin cancer