One of the many aspects of human survival is recognizing incompetent doctors.

Survival was my primary mission at school.

In the future, it may turn out that fossil fuels are the blood of the Earth and by extracting them may lead to serious consequences to the Earth's survival, and by association, that of the humans.

The addition of certain chemicals to the atmosphere will destroy wavelengths of light and it may only be a matter of time before one of these wavelengths of light that is critical for human survival is eliminated. This is called: The Extinction Wavelength

The biggest threats to human survival today are not wars or conflict, it is modern business.