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If you’re anything like us, you were probably absolutely obsessed with dinosaurs as a child. However, did you ever stop to think about the sheer number of dinos that were wandering around the planet before they met their untimely end at the hands of an asteroid? A new study has been published which states that a whopping 1.7 billion T-Rex roamed the Earth in total across the Late Cretaceous period. It comes after researchers calculated their average lifespan, which measured up to a whopping 40 feet in length and 12 feet in height. Sign up to our free Indy100 weekly newsletter They cross referenced this with the number of eggs which survived and the sexual maturity of the animals to come up with the figure. It’s a huge number, but it’s actually far less than previously thought. A previous study from 2021 estimated that there were 800 million more of them that existed between about 90 to 66 million years ago. The research was published in Palaeontology, and evolutionary ecologist Eva Griebeler from the Johannes Gutenberg University of Mainz in Germany wrote about the findings. "Unlike my model, the generation time as well as life expectancies, gross reproduction rates, and reproductive values of individuals calculated from the previous model all strongly contradicted our current understanding of the biology of T. rex and of other theropods,” she said. "Their values also disagreed with those of large extant reptiles, birds, and mammals. All of these shortcomings of the previous model favor the assessment of individual and population characteristics of T. rex and of other extinct species using my model." Griebeler also explained how the findings suggest a lower T-Rex survival rate, as well as fewer generations of the animal and less egg laying. "All of these shortcomings of the previous model favor the assessment of individual and population characteristics of T. rex and other extinct species using my model," she wrote. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

OpenAI, the AI firm behind ChatGPT, has warned that the arrival of artificial intelligence that surpasses humans is unavoidable. Artificial general intelligence, also known as superintelligence, has been theorised by philosophers and academics for decades, though rapid advances in recent years mean we may now be on the cusp of it, senior figures within OpenAI warned. In a blog post published on Wednesday, OpenAI’s Sam Altman, Greg Brockman and Ilya Sutskever said that AI superintelligence will be unprecedented in its power – both positive and negative. “Given the picture as we see it now, it’s conceivable that within the next ten years, AI systems will exceed expert skill level in most domains, and carry out as much productive activity as one of today’s largest corporations,” the post stated. “In terms of both potential upsides and downsides, superintelligence will be more powerful than other technologies humanity has had to contend with in the past.” OpenAI laid out three ways humanity can navigate the arrival of superintelligence, though warned lawmakers and regulators against trying to stop it. “We believe it would unintuitively risky and difficult to stop the creation of superintelligence,” the post warned. “Because the upsides are so tremendous, the cost to build it decreases each year, the number of actors building it is rapidly increasing, and it’s inherently part of the technological path we are on, stopping it would require something like a global surveillance regime, and even that isn’t guaranteed to work. So we have to get it right.” Mr Altman appeared before a congressional hearing last week to face questions from US senators about the risks that advanced artificial intelligence poses. The 38-year-old told the Senate Judiciary Subcommittee on Privacy, Technology and the Law that he believed AI-powered chatbots like ChatGPT were a “significant area of concern” and required rules and guidelines to prevent misuse. “There’s no way to put this genie in the bottle. Globally, this is exploding,” Democratic Senator Cory Booker acknowledged. One potential way to prevent AI harms like election manipulation would be by introducing licensing and testing requirements for the development of AI, Mr Altman said. One possibility, according to OpenAI, is through the creation of a US licensing agency for AI called the Office for AI Safety and Infrastructure Security (Oasis). Read More 10 ways AI will change the world – from curing cancer to wiping out humanity

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