If sound and heat are both vibrations, then why isn't sound hot and heat loud?

If someone has an amputation, do they get high blood pressure because there's less body space for the blood to move around in?

If everything on the planet got wiped out by a bomb, could life start again like it did originally?

If you hold your lips closed with your fingers and breathe out as hard as you can, and then release your fingers, you blow out a puff of smoke. Why is this?

Do you think we'll ever beat the speed of light?

Why do some people suffer so badly with static electric shocks? It's particularly bad when I get out of my car.

When I take a painkiller, how does it know where the pain is?

I learnt in school many years ago that food takes 12 to 24 hours to travel through the body. As I've got older, out-gassing has become a more noteworthy part of my life but it doesn't appear to adhere tot his time schedule. When I eat flatulent foods such as beans or something like that, I become very gassy in a little as one to two hours. Why is this? Where in our gut do these vapours form and how do they get out so quickly?

When people measure carbon dioxide, a lot of the time it is measured in weight. They'll say that your car releases so many pounds of carbon dioxide. But how do you weigh a gas?

Why doesn't nature make any straight lines?

We kept Friesian cows for about fifteen years. Sometimes they got sunburnt but only on the white patches. Why?

If you have oil on the surface of a dirty pot and you add washing up liquid, why is it that all the oil shoots to the side?