Researchers describe a paper-based blood test that can determine a person’s blood type in just two minutes.

A new test that scans for the Ebola virus with just a fingerprick could be a practical diagnostic for use in West Africa.

Researchers devise a way to preserve bits of paper containing synthetic gene networks, which can be easily stored and widely distributed. Rehydrated, transcription and translation “come to life.”

Affordable diagnostic tests tackle the world’s most pressing health problems.