When you’re a scientist, what you find funny might greatly differ from the non-scientists. They are able to joke about things the average person wouldn’t understand or even consider to be lame. Scientists do have some witty jokes to match their captioned photos to catch anyone off guard.
When you start any headline with “Warning,” it basically guarantees that it gets read. We want to be aware of what we shouldn’t engage in. Here, Popular Science jokes about not getting into a breath-holding contest with a naked mole-rat. Just anyone isn’t going to know that naked mole rats can survive for 18 minutes without taking a breath. As if anyone was planning on it!