Many recent initiatives have put more emphasis on the role of independent non-executives, such as the Turnbull report on corporate governance. Forum chief executive John Mellor said that they were not being rewarded for their time.
Some parts of Atacama have not received rainfall for 500 years - but a sudden deluge of water upset the Desert's delicate biological balance
Spitzer Space Telescope could not spot Oumuamua, suggesting that it is actually pretty small
Greenland crater one of the 25 largest impact craters on Earth
This long-sought progenitor star was identified in an image captured by Hubble in 2007