According to a recent article in USA Today,
A Swimming Scientist
Len Zon’s gene studies on zebrafish are shedding light on melanoma, the most deadly skin cancer, and offering clues on how to treat it. What can’t Len do with his zebrafish swimming by his side? All that said (and read), don’t let your zebrafish (or yourselves) swim in the sun too long! And if you want a Len refresher, watch and enjoy him all over again here.
WATCH Len Zon videos
What could possibly motivate Len to blow into a ram’s horn? Why does he insist on changing the colors of his zebrafish? Why does he even have zebrafish? Watch 
