Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Bumblebees can be taught to yank a string to collect a sweet treat ...

Cut twine or string into 8 equal lengths of approximately 24-34 inches (depending on how large your container is). Knot the ends. Lay out the string on a flat surface and divide the 8 strings into 4 ...