Since 2014, when news first broke of its discovery, Patagotitan has frequently been described as the most massive animal ever to walk the Earth. Except it isn’t. Weighing up such giants isn’t simple, but new calculations indicate that other dinosaurs from the same family were at least as massive. Image: Zachi Evenor
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A chunk of Neanderthal DNA carried by some people living today appears to reduce the chance of miscarriage and promote fertility. The finding is the latest evidence that Homo sapiens benefitted from Stone Age sexual encounters with other human species. Image: opacity
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The second-most severe mass extinction in Earth’s history may have been triggered by global warming. The discovery means that, for the first time, all of the largest known extinctions can be linked to a rapid rise in the planet’s temperature. Image: VSmithUK
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Look at a packet of Quorn mince and you’ll discover that a 75g serving contains 10.9g of protein, 3.4g of carbohydrates and 0.4g of saturated fat. Later this year, a glance at the packet will tell you something else: that producing the 75g serving released the equivalent of 0.16kg of carbon dioxide into the atmosphere. Image: Roxnstix
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There’s a new way to eat carbon dioxide. Researchers have built an artificial version of a chloroplast, the photosynthetic structures inside plant cells. It uses sunlight and a laboratory-designed chemical pathway to turn CO2 into sugar. Image: Stewart
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