The robot which can climb stairs and other tech news

BBC Click's Lara Lewington looks at some of the best of the week's technology news, including the news that Facebook founder Mark Zuckerberg and his wife Priscilla Chan have pledged $3bn (£2.3bn) to fund medical research over the next decade.

Plus, the robot which can respond to changes in terrain.

More at BBC.com/Click and @BBCClick, external.