Iain Thomson, Shaun Nichols and Rosalie Marshall discuss the stories that made the headlines in Silicon Valley this week.
Today's podcast covers Intel's Nehalem processor launch; more trouble at Yahoo; and Mozilla's warning on Firefox add-ons.
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