TechnologyMaterial inspired by blood vessels can extract uranium from seawater The oceans are a huge untapped store of uranium, which is vital for nuclear energy, and new technology could ensure a long-lasting supply News
ÎçÒ¹¸£Àû1000¼¯ºÏQuick saliva test can reveal cannabis use over the past 12 hours A sample of saliva placed on a strip and analysed with a smartphone camera can reveal if a person has ingested cannabis in the past 12 hours News