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CRISPR-edited chickens made resistant to a common virus

By Michael Le Page Gene edited and virus resistantPavel TrefilCRISPR genome editing has been used to make chickens resistant to a common virus. The approach could boost egg and meat production worldwide while improving welfare. The altered chickens showed no signs of disease even when exposed to high doses of the avian leukosis virus (ALV).…

Climate change-related injuries will kill thousands in the US

By Adam Vaughan Accidental deaths in the US from drowning and car crashes may rise as the climate warmsSeastock/iStockphoto/Getty ImagesThe US is likely to see more than 2000 extra deaths a year from car accidents, suicide, drowning and other fatal injuries because of climate change, even if the world manages to hold temperature rises to…

Gravitational wave mystery could be a sign of a new kind of black hole

By Leah Crane Alfred Pasieka/Science Photo LibraryA strange set of gravitational waves have been sent across space by a mysterious object. It could be the smallest black hole ever found or the largest neutron star. Gravitational waves are ripples in space time that are caused by the motion of massive objects. The Laser Interferometer Gravitational-Wave…

Scientist behind world’s first gene-edited babies sentenced to prison

By Jessica Hamzelou He Jiankui attempted to make babies resistant to HIVVisual China Group via Getty ImagesThe scientist behind the birth of the world’s first gene-edited babies has been sentenced to three years in prison. He Jiankui, who announced he had used CRISPR technology on embryos that led to two births in 2018, has also…

We’ve found six scorchingly hot exoplanets that are over 1100°C

An artist’s visualisation of a planet orbiting star DMPP-2Mark A. GarlickWe have discovered six new exoplanets by looking at hot gas nearby. Carole Haswell at the Open University in the UK and her colleagues made the discovery by studying nearby stars that the exoplanets orbit. The six exoplanets are all extremely hot, with temperatures of…

Anti-ageing drug rejuvenates the mouths and oral microbiome of mice

By Michael Le Page The bones around mouse teeth like this one were rejuvenated by anti-ageing drugsSTEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARYA transplant drug with anti‑ageing properties has been shown to rejuvenate the oral health of old mice. The drug, called rapamycin, regenerated the bone in which teeth are embedded, restored the mouth microbiome to…

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