New research from Washington State University suggests that stress influences cannabis use not only in people but in rats as well.

We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats could learn to drive forward by grasping a small wire that acted like a gas ...

We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats could learn to drive forward by grasping a small wire that acted like a gas ...

We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats could learn to drive forward by grasping a small wire that acted like a gas ...

Rats will choose to take a longer route if it means they get to enjoy the ride to their destination. Kelly Lambert, CC BY-ND We crafted our first rodent car from a plastic cereal container. After ...