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Caption (Upper panel) Experimental time sequence to realize and observe quantum squeezing of a levitated nanoparticle. After cooling the center-of-mass motions, we vary the laser intensity to deform ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...

Over a century ago, a botanist named Daniel Trembly MacDougal injected salt solutions into plant ovaries and reported that the procedure changed the hereditary material passed on to offspring. Both ...

Lawrence Faucette, the second living person to receive a genetically modified pig heart in a transplant, has died six weeks after the experimental procedure. The University of Maryland Medical Center, ...