Sam Denby explains why soda cans in Hawaii have a larger circumference and extra ridges, unlike cans in the rest of the US.

Professional cat engineers Paul Klusman and TJ Wingard explained how cats were the inspiration for all sorts of old and new technology.

Howard Lee strategically painted the middle section of a tree along the Brooklyn waterfront to blend into the NYC Financial District.

An Asian elephant named Pang Pha at the Berlin Zoo taught herself to peel an overripe banana after watching her caretaking humans do so.

A busy excavator operator took some time to fill a tiny toy dump truck with dirt from the construction site where he was working.

A golden retriever and her human were being watched from above by another doggie in the window, then they met and a third dog joined.

Dutch guitarist Laszlo Buring reimagined the iconic Randy Rhoads guitar solo from the Ozzy Osbourne song "Crazy Train" as Dire Straits.

Turkish fashion designer Musab Kaya folds the jeans in his Istanbul store with an amazingly efficient single snapping motion.

WTD created a fascinating 3D animation comparing the size of existing animals and their extinct ancestors.

Lowes employee Dave Urban built a parallel bar walking structure out of PVC pipes in-store for a family with a son in a wheelchair.