An experiment involving dog treats suggests our canine pals may understand the difference when a human withholds a treat by accident and when they do so on purpose. But don't press your luck.
Officials may be relying on people to do their part to stop the spread of COVID-19 at a time when the public is simply not afraid enough anymore to keep up the recommended behaviors.
Experiments in people have long shown that the presence of indifferent bystanders hurts the chances that someone will help a stranger in an emergency. Rats, it turns out, behave the same way.
