Aiming to quell heated national debate about gun control with factual answers, two mathematicians have designed parameters to measure how to best prevent both one-on-one killings and mass shootings in the United States.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/b...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/b...