Does Science Know Right From Wrong?
The issue of the right or wrong use of science emerges in the colliding front between scientists and their supporting sponsors, be they the government or the private sector.
February 21, 2017
The Madness of Humanity: Nuclear Weapons and M.A.D.
What would happen if the world's countries armed with nuclear weapons engaged in all-out confrontation? Marcelo considers this in the first of a series of essays on our collective future.
July 26, 2016
Five 'Scary' Experiments That Did not Destroy the World
Humans toy dangerously with things we barely understand — and the consequences could be cataclysmic — but Marcelo says these five experiments shouldn't have driven such fear.
September 8, 2015