Humans aren't the only mammals to make friends: elephants, horses, whales and plenty more form strong social bonds that aren't connected to reproduction, but it's only the smartest that do. Why is that?
A committee made up of high-profile US scientists has a bold plan afoot. It wants to build a billion-dollar particle beam to blast neutrinos 800 miles underground, from Chicago to South Dakota.
With alleged blueprints and supply chain deals circulating, we're starting to build up a pretty good picture of what to expect from the iPhone 6. So good, in fact, that we're now able to feast our eyes on a rumour-fuelled mock-up video, comparing the next iPhone to its rivals and predecessors.