NASA Sextant Mission: Navigation by using Neutron Stars - Video

NASA's Goddard Space Flight Center is developing a new instrument that uses the natural beacons of pulsar radiation, to let spacecraft find their way in deep space. A test on ISS is planned. 

 Credit: NASA / GSFC

The Mandrill using colour to attract a partner

A photo of a mandril, which can use body odour to identify potential mates, researchers have found, in a study which lends new support to the theory that humans also have the ability to 'sniff out' suitable partners.

The findings, which are reported by an international team of scientists in a paper today, suggest that scent and smell play a far more pivotal role in primates' mate selection than previously thought