An optic fiber emitting infrared light from a diode laser has been placed just one millimeter away from the developing heart of a two-day old quail embryo. As the laser pulse changes its speed, the heart alters its beat to match. This system is the first time that the whole heart of a living animal has been paced with light–a method that could yield insight into the development of heart defects as well as, much further down the road, provide a new approach for building
Meta has built a massive new language AI—and it’s giving it away for free
Facebook’s parent company is inviting researchers to pore over and pick apart the flaws in its version of GPT-3
The gene-edited pig heart given to a dying patient was infected with a pig virus
The first transplant of a genetically-modified pig heart into a human may have ended prematurely because of a well-known—and avoidable—risk.
Saudi Arabia plans to spend $1 billion a year discovering treatments to slow aging
The oil kingdom fears that its population is aging at an accelerated rate and hopes to test drugs to reverse the problem. First up might be the diabetes drug metformin.
Yann LeCun has a bold new vision for the future of AI
One of the godfathers of deep learning pulls together old ideas to sketch out a fresh path for AI, but raises as many questions as he answers.
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