Other than humans, the palm cockatoo is the only other species who make, and make music with, a musical tool → Birds play sick jungle beat with drumsticks they make themselves. See also, the longer but interesting scientific abstract video that goes behind the scenes of the 6000+ hours effort to film more than 60 drumming events.
The unclassifiable…things I can't explain.
A strangely compelling video: ► Pingsider | How Table Tennis Balls are Made
Starting at just $450…jeans that convert into a denim diaper. → Y/Project | Detachable Cut-Out Side Jeans