Today on In Case You Missed It: MIT researchers discovered that cancer cells can unclump to squeeze through teeny capillaries, then reassemble as cancer clumps on the other side. Zapata Racing has a prototype of a real hoverboard that can fly just like the Green Goblin's, but only for 10 minutes at a time. And a smart toy for pets called PlayDate will let you play with your cat or dog remotely, by moving the ball around through an app and watching your pet's reaction.We also wanted you to see the video of some construction equipment in a Transformers-like battle, after the humans operating them got into some sort of argument and decided to settle it like Gladiators of road construction. As always, please share any great tech or science videos you find by using the #ICYMI hashtag on Twitter for @mskerryd.