Could Christa Pike be executed again, and by what method?
The murderous Christa Pike survived the lethal injection, raising questions about the possibility that Tennessee might try its luck again.
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The murderous Christa Pike survived the lethal injection, raising questions about the possibility that Tennessee might try its luck again.
The army and the government say the risk of conflict is increasing, but we may not yet be prepared psychologically to deal with it.
A comparison between the brains of male and female flies could revolutionize our understanding of how genes influence the behavior of other animals, including ours.
What if disaster scenarios on artificial intelligence were no longer just science fiction? Between alerts of researchers, concerns of the bosses of technology and the global race for innovation, the debate is intensifying, although most experts believe that the risk exists but remains low in the short term.