There's some good news for desperate dieters, with new research indicating that changing the bacteria in your gut could make you thinner.
And in other science news, there has been debate in the about whether human beings are still evolving.
Surprisingly it's the renowned naturalist and film maker Sir David Attenborough who says we're not. But has he made a mistake?
Heather Hendrickson, biosciences lecturer at Massey University in Albany, explains – watch the video.
source: newshub archive