![tobacco plants](/long/system/files/styles/thumbnail/private/2019-03/5130.jpg?itok=s9p-YzrC)
The 12 key science moments of 2016
Our panel of leading scientists pick the most significant discoveries and developments of the year – from the Zika virus to the planet Proxima B – and a surprising secret of marriage.
By: Sue Hartley | The Guardian
![Steve Long](/long/system/files/styles/thumbnail/private/2019-03/stevelonginpurple.jpg?itok=Nuy_ejOK)
GMO Labeling
Steve Long discusses the recent U.S. GMO labeling bill on the 21st Show.
By: 21st Show