A Pinta Island tortoise, he was the last of his kind before dying in 2012, symbolising loneliness. Known as the "saddest animal in the world," he lived alone in extreme heat at a zoo in Argentina. The ...

Formalin-fixed paraffin embedding (FFPE) is employed in hospitals around the world to preserve and store clinical samples. However, extracting and purifying DNA from FFPE samples presents challenges, ...