Scientists are developing a breakthrough test that uses gold to detect all types of cancer in 10 minutes - Business Insider

Cancerous DNA adheres to stable substances, such as gold. Scientists at the University of Brisbane may have found a simple way of detecting the early stages of cancer. The method is inexpensive, takes 10 minutes, and can work for all types of cancer. The test uses gold particles to detect cancerous DNA. ...
https://www.businessinsider.com/this-test-using-gold-could-detect-90-of-all-cancers-in-10-minutes-2018-12

Newly Developed Nanotech 'Super Sponge' Removes Mercury from Water in Less Than 5 Seconds Which Could Make Effective Toxic Cleanup of Lakes Possible in the Future

Professor Abdennour Abbas and his lab team from the University of Minnesota College of Food, Agricultural and Natural Sciences (CFANS) created a sponge to address this growing problem. Within seconds, the sponge can absorb mercury from a polluted water source....
http://sciencenewsjournal.com/newly-developed-nanotech-super-sponge-removes-mercury-water-less-5-seconds-make-effective-toxic-cleanup-lakes-possible-future/