Is this the antibacterial apocalypse? Some bacteria is now resistant to even our last-resort antibiotics. Also biologists making flatworms grow the heads and brains of other species of flatworms, without altering their genome. And the genome of the tardigrade gets sequenced, and there’s a lot of foreign DNA in there.

Some of our best science stories from 2014. Comet landings, Ebola outbreaks, retracted stem cell studies, faecal transplant capsules and more!