[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 ...

A litmus test is an idiom for a challenge. But why? In a 2024 New York Times piece exploring the controversy over married couples in Japan using separate surnames, the Times headline read: "A Litmus ...

Researchers at the Harvard Wyss Institute have developed a simple, printed paper test that could be used for pathogen detection, including cases of ebola. Michelle Starr is CNET's science editor, and ...

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 ...

A new sensor for detecting carbon dioxide can be manufactured on a simple piece of paper, according to a new study by University of Alberta physicists. “You can basically think of it as a litmus paper ...