The ANYmal quadruped robot not only walks on four legs, it can also roll on four wheels, stand up, throw boxes, and make its way up and down stairs. As if all that wasn't enough, the thing can now ...

Question: I am an 85-year-old retired professor. Walking is not a good option for me due to arthritis. Can I climb up and down stairs on my stepladder to keep my fitness level up? I can do this a few ...