Is your knife slicing or tearing? Try this quick paper test to check your blade's sharpness and keep your kitchen prep safe ...

Uncertainty and fear about coronavirus’ spread and the course of the illness is causing shockwaves in our daily lives. A simple paper test could provide answers to basic questions and shape a sensible ...

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 ...