June 17, 2023: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.
This week in science news we pushed our understanding of human evolution even further back with the discovery of human shin bone fragments in the"Cave of the Monkeys." Found deep within a cave in Laos, it means Homo sapiens arrived in Southeast Asia as early as 86,000 years ago. We also learnt that"Lucy," the 3.2 million-year-old human ancestor, had massive leg muscles to stand up straight and climb trees.
From space, astronomers found only their second"Tatooine world," an exoplanet that orbits multiple suns in the same star system, while also observing a collapsed star that is turning into a gigantic diamond before their eyes. Finally, there has been plenty to fascinate us from the world of nature, such as the discovery of how photosynthesis starts in plants, Hawaii's erupting Kilauea volcano spewing"vog," and the endangered Masai giraffes inbreeding themselves to extinction.
Picture of the week Nebulas, which are both hubs of star birth and products of stars' demise, explode and transform with light and color as the stellar life cycle unfolds within them. These giant clouds of dust and gas that fill the space between stars have long captivated onlookers with their ethereal beauty. This week we picked out 25 of the most breathtaking nebulas in the universe.
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