There is a running joke on the internet: Never get on the same flight as someone making a breakthrough in cancer research. Your flight is bound to crash under unfortunate circumstances.
The joke might be insensitive but it is so long running that whenever a sizeable number of scientists disappear or die under mysterious circumstances, hypothetical noses on the internet automatically start sniffing around. They fervently look for a bone in the shape of a common denominator that connects it all.
