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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.

COPENHAGEN, Denmark--(BUSINESS WIRE)--Aug 30, 2023--

TL;DR: The Fitbit Charge 5 is on sale for £95 this Prime Day. This deal

Apple is planning a cheaper version of its upcoming Vision Pro headset, according to reports – though it will still be far from cheap. The company announced its Vision Pro in June, starting at $3,500, and said that it would be coming in early 2024. Immediately, many noticed that the inclusion of the “Pro” in the name suggested that a cheaper version might also be on its way. Now new reports suggest that cheaper headset will cost as much as $2,500. The company is aiming for a price of $1,500 to $2,500, according to a new report from Bloomberg reporter Mark Gurman. That would still be considerably more expensive than other augmented reality headsets. The new Meta Quest 3, for instance, starts at $499, and the company has suggested that its lower price is one of the key ways it aims to compete with Apple. To make it cheaper, Apple is aiming to drop one of the key features from the Vision Pro, known as EyeSight. That is a screen that shows a virtual version of the wearer’s eyes on the front of the headset, to make conversations more natural and to give a sense of what the person is doing on the inside. The cheaper headset is also rumoured to include a cheaper processor – likely one from the iPhone, rather than the Mac chip that powers the Vision Pro – as well as fewer cameras and a less high-quality display. Apple has moved resources towards building the cheaper version, Mr Gurman reported in his Bloomberg newsletter. That has also meant moving staff away from devoted the augmented reality glasses that have been assumed to be the end goal of Apple’s work in headsets, but which he suggested had proven “too technically challenging” so far. Read More Google is about to ditch passwords forever You need to update your new iPhone if you want to avoid it getting hot Apple is preparing an urgent iPhone 15 update after they started overheating

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