Brains guide group movement by sharing world-centered direction cues, explaining how animals align without strict rules.

Run your filter. Keep the filter running overnight. You should wait at least 24 hours before jumping in the pool (unless you use a chlorine-free pool shock, in which case you can wait only 15 minutes) ...

A crowd gathered around a small pool with crystal clear, blue water. Chuck Best Jr. placed a remote-controlled boat into the water with a tiny water ski attached. A squirrel ...