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The detectors have sensed dozens of such cataclysms over the past 5 years, but the one on 21 May 2019 was different. Not only was it the most powerful and distant merger ever seen, but the resulting black hole also belongs to a class of long-sought middleweight black holes, members of the LIGO-Virgo collaboration report today in two new studies. Puzzlingly, however, the two black holes that merged are heavier than expected: Their masses fall in a gap in which theorists … See More.

Another bit of science fiction is coming to life as scientists develop a highly elastic and adhesive surgical glue similar to the one Ryan Gosling used to seal his wound in Blade Runner 2049.

Surgeons use sutures, staples, and wires (sometimes in combination with adhesive substances) to facilitate healing of external and internal wounds. These methods, however, are not optimal, especially for reconnecting contracting tissues like those of lungs, arteries and the heart.

Sutures are also not ideal for preventing the leaking of liquids from incisions. In addition, piercing tissues to place sutures can further damage the surrounding wound area and can increase the risk for infection.