One of These Two Can Learn New Tricks

Hint: It’s not the dog.

It’s widely acknowledged that you can’t teach an old dog new tricks. Good thing you’re not a dog. You, by contrast, possess a brain capable of learning new stuff for as long as you keep breathing. (Scientists didn’t think that was true until recently. Now they consider it a solid fact.)

It would serve you well if you did keep learning. When your brain ac…