Search results: biological weapons

the second scenario is that the new corona virus has been transmitted from animals to humans before it could potentially infect us. subsequently, the result of gradual

historically, ancient wars have relied heavily on manpower and tactics. but during that period, people also knew based on the things in nature to create some dangerous weapons.

a group of scientists from the university of alberta, canada have synthesized a strain of artificial smallpox virus, a study published in science makes many people fear about the