The Prince of Wales enjoyed the “best day of my life” when he was encouraged to spray pond water at the press – all in the name of science. William aimed a syringe full of the cloudy water at journalists when he joined school children collecting DNA samples for NatureMetrics, a finalist in his environmental Earthshot Prize awards project. Report by Covellm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn