Robots compete in skiing challenge and other news

BBC Click's Marc Cieslak looks at some of the best technology stories of the week including:

  • Robots get the chance to compete in a skiing competition in South Korea

  • Some pig farmers in China are using artificial intelligence in the hope it will improve farming efficiency

  • The search for extra-terrestrial life could be hindered by the crypto-currency mining craze, a radio astronomer says

See more at Click's website and @BBCClick.