on his farm kenny s kitchen go discovered a stone he thinks was used as a tool back in the stone age. or not a lot of kalinda islam or so found some fossils while walking traps between the different layers of rock thanks for those responses. a revolutionary gene editing method has been making waves in a science world in the last few years crisper cash nine can also d.n.a. very precisely by acting as genetic sensors. it works like this the scissors are a protein. it is assigned a kind of search word for example a g c in this simplified model our d.n.a. is made up of lots of different combinations of codes like these. the series of