More Halloween spooky facts (well, sort of): In which science has given us green mutant animals.
Other cool things GFP is being used for: Imaging cancerous vs noncancerous cells! Visualizing neurons and brain activity! Investigating blindness and heart disease and diabetes! It’s fundamental to a lot of labwork nowadays. Unsurprisingly, the discoverers of GFP won the Nobel Prize in Chemistry in 2008.