EditorialA mushroom of the genus Psilocybe, which contains the psychoactive chemical psilocybin, in Nanaimo, Britsh Columbia, Canada, Feb. 18, 2021. (Alana Paterson/The New York Times)
EditorialA mushroom of the genus Psilocybe, which contains the psychoactive chemical psilocybin, in Nanaimo, Britsh Columbia, Canada, Feb. 18, 2021. (Alana Paterson/The New York Times)
EditorialAfter police teargassed him at a protest, Christopher Howell tapped his knowledge of neural net technology to begin working on a facial recognition product that could defeat police officers’ attempts to shield their identity. (Mason Trinca/The New York Times)