Marc Andreessen @pmarca
“It should not be "science has shown" but "this experiment, this effect, has shown." And you have as much right as anyone else, upon hearing about the experiments--but be patient and listen to all the evidence--to judge whether a sensible conclusion has been arrived at.”—RFeynman — PolitiTweet.org
Elon Musk @elonmusk
New Twitter policy is to follow the science, which necessarily includes reasoned questioning of the science