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Why do dogs and cats insist on laying on the remote, literally pushing my buttons?

Anyone else out there with dermatillomania? I'm not talking about the "oh, I'd better pop this zit" people. I mean "dig at your face with tweezers until it bleeds" people.

I recently saw an episode of some custom cycle show where a man in a wheelchair commissioned a bike he could drive in his chair. They did a great job customizing a drivable sidecar with a roll-up ramp. His old lady sat on the motorcycle itself holding dummy handlebars.

My question is this - when passing other bikers, who waves?

If there is a home where a messy crime has occurred causing a long term lockdown for investigation and the home has a large aquarium would the investigators feed the fish? Would that go against not touching anything and leaving the scene as is?

Is there a difference in potency between large and small plantain leaves?

If an astronaut passed away during a mission in space, what would be done with the body?

I have a 5 year old hypertrophic scar from surgery on my arm. It has flattened and faded from raised angry pink to more of a smoothed flesh tone over the years, although if I have a fever it still turns purple-red.

Today I looked down and although the surface hadn't changed it looks as though (for description's sake) it is bleeding from underneath the scar's surface for 2" of the 8" of scar. It does not hurt and I have not injured or overused my arm recently. Any thoughts on what this mystery blood flow might be?