As an alternative of counting on the identical previous recipe biology has adopted for a billion years, give or take, stem-cell scientist Jacob Hanna is coaxing the beginnings of animal our bodies straight from stem cells.
Be part of these cells collectively in the correct means, and they’re going to spontaneously try to prepare into an embryo—a feat that’s opening up the earliest phases of improvement to scientific scrutiny and should result in a brand new supply of tissue for transplant medication.
Hanna is the vanguard of a wider motion that’s fusing superior strategies in genetics, stem-cell biology, and still-primitive synthetic wombs to create our bodies the place they’ve by no means grown earlier than—exterior the uterus. However precisely how far Hanna has taken his fashions of the human embryo is an open query. Learn the total story.
—Antonio Regalado
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Why AI ought to have the ability to “dangle up” on you
Chatbots in the present day are all the pieces machines. However the one factor that nearly no chatbot will ever do is cease speaking to you.
Why ought to a tech firm construct a characteristic that reduces the time individuals spend utilizing its product? The reply is easy: AI’s potential to generate countless streams of humanlike, authoritative, and useful textual content can facilitate delusional spirals, worsen mental-health crises, and in any other case hurt susceptible individuals.
So, why aren’t firms utilizing this apparent safeguard? Learn the total story.

