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Einstein’s theory provides new technique to size up stars

CAPE CANAVERAL, Fla: Astronomers have found a new application for Albert Einstein's century-old theory of relativity - using it to directly measure the size of a star beyond the sun.  In research published on Wednesday, scientists said they used the Hubble Space Telescope to plot minute changes in the path of light coming from a distant background star as it passed by a relatively close target star, known as Stein 2051B. Researchers applied Einstein's findings to measure how Stein 2051B's gravity warped the background…

New lung transplant technique could save lives: study

PARIS: A new technique could help nearly double the precious few hours surgeons have to carry out lung transplants, raising hopes for saving more lives, said a study released Friday. Doctors typically rush to complete a transplant within about six hours of the lungs being taken from a donor, with time being of the essence because the tissue starts to break down. But the new method, which uses a process called ex-vivo lung perfusion (EVLP), could help keep lungs outside the human body for over 12 hours without…