[William Finucane] is making his own litmus paper by harnessing the power of cabbage. The process is much easier than the faux gunpowder he made, as it take just the one ingredient and a few kitchen ...

Litmus paper, long known as a low-tech method of testing substances for acidity, might have a new use as a cheap, quick way to test for E. coli, according to researchers at McMaster University in ...

[William Finucane] is making his own litmus paper by harnessing the power of cabbage. The process is much easier than the faux gunpowder he made, as it take just the one ingredient and a few kitchen ...

Harvard University professor George Whitesides is making very sophisticated litmus paper. Unlike the simple acid or alkali strips familiar from school, his pioneering work owes more to microfluidics ...

Researchers at the Harvard Wyss Institute have developed a simple, printed paper test that could be used for pathogen detection, including cases of ebola. A bandage that changes colour if a wound ...

Discs of souped-up filter paper could change how we diagnose infections. To demonstrate the power of the approach, which involves embedding DNA from jellyfish and other organisms into paper, its ...