In the science news this week, a mission to explore an underground lake, scientists discover an unsavoury taste in our mouths, the truth behind internet addiction, and finally... Phobos-Grunt plunged into the Pacific after all.

In the science news this week, how quantum computing could make the 'cloud' more secure, why there is concern about Britain's waterways, a new exhibition about Captain Scott opens, and finally... why scratching your ankle is so satisfying.

In the science news this week, pythons are destroying the mammal population in Florida, scientists create brain cells from skin samples, smells trigger the most powerful memories, and finally... finding objects right in front of you could be hindered by out of sync brains.

In the science news this week, the world's largest interferometer is set to look to the skies, a giant prawn is found in the deep sea, how we're one step closer to graphene supercomputers, and finally... why male spiders will break off their sex organs all in the name of reproduction.