To add to this, ancient buildings like the Colosseum or Parthenon requires a master skill level. You can't just have a regular guy walk in and repair. They need to be skilled in ancient busing repairs.

Its similar to old paintings. You can't just use new paint over them, you have to artificially age the paintings and crack the paint to make it blend in.

It is, but Russia declaring war against the world before it had time to fully mobilize its fighting age men would mean they get wiped out quicker.

For sure, lovebirds are very intelligent birds. You can teach them tricks and they're very affectionate.

The easiest most simple explanation is that your body will turn up the heat to slow pathogens. The more you sleep the more energy conservation your body has to fight pathogens. Your body will use different nutrients to fight the bacteria. Your body has a type of cell called leukocyte that patrol the blood being on the lookout for anything abnormal. When depleted, you need protein to help replenish. That's why chicken noodle soup is so great. It's easy on the digestion system and has protein in it. Drinking lots of water helps clear our the kidney and liver allowing you to expel the pathogens.

Is that the same concept as a bukkter travelling through water? It causes a void then water quickly closes the space behind it causing tiny explosions. I was watching the slow-mo guys fire bullets under water. It would cause a void behind the bullet and the water pressure caused subsequent explosions.