Two of the awesomest science guys on YouTube — one in Australia and one in the US — teamed up to see whether toilets flush differently in different hemispheres, and they did it in the coolest way possible.

Just two cool dudes hanging out in the bathroom for SCIENCE. (via YouTube)

Derek Muller (aka Veritasium on YouTube) lives in Sydney, Australia. Destin Sandlin (SmarterEveryDay on YouTube) lives in Huntsville, Alabama. Both have totally rad channels where they do cool experiments and explain the science behind how our world works. In that spirit, the two decided to pair up to finally prove, 100% fo sho (aka "for sure"), whether or not water goes down the drain the opposite direction in the Northern and Southern Hemispheres. To do this, the gentlemen set up the exact same experiment on opposite sides of the globe. Then they each created a video of the experiment that's meant to be synced up with the other video, so you can watch both experiments at once.

Sources: h/t Digg