Mark Rober, the YouTuber and former NASA engineer responsible for everything from blasting porch pirates with glitter bombs to educating people on how germs spread, has made a squirrel-proof bird ...

This is pretty amazing. It's a video of a squirrel working its way through a very tricky obstacle course in order to munch on some nuts (which reminds me, did you see the 2005 version of Charlie and ...

The biggest stories of the day delivered to your inbox.

Former NASA and Apple engineer Mark Rober is known for answering science questions, building intricate structures, and conducting experiments on YouTube.

Ready for Round 2 between YouTube star Mark Rober and a pack of hungry squirrels? The mechanical engineer's latest video features "Backyard Squirrel Maze 2.0," an intense obstacle course built for ...