"Science and Technology":
Take the example of X-Men. The author endowed Magneto with the ability to interact equally with all metals, not taking into account that the magnetic susceptibility of different metals differs very significantly. Okay, he wanted it so. But how could you miss out on the fact that calcium (the basis of bone tissue) is also a metal?! to

And the calcium salts that are part of the bone do not have magnetic properties.
borrowed out of debt.