Boulder, Colorado — Researchers at the University of Colorado are giving new meaning to the question, "Does it pass the smell test?" Believe it or not, a scratch-and-sniff test may be the best hope, ...
A simple, scratch-and-sniff test could play a key role in curbing the spread of COVID-19, at a fraction of the cost of high-tech tests that are difficult to scale and take longer to return results, ...
It might not seem like scraping the top of a cold stick of butter with a knife could be a scientific test, but engineers at MIT say the process is very similar to the "scratch test," which is perhaps ...