5 facts about bird flight
Image by Liselotte Brunner from Pixabay 1. Weighty wings Around a third of a bird’s body weight is made up of the large wing muscles. These are the machines that power flight, keeping the bird airborne for large periods...
Image by Liselotte Brunner from Pixabay 1. Weighty wings Around a third of a bird’s body weight is made up of the large wing muscles. These are the machines that power flight, keeping the bird airborne for large periods...
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Discover how much hidden dirt is on your hands and household items Before you begin… If you’re under 18, make sure you have an adult with you. Image credit: Future PLC/ © Illustrations by...
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Erwin Schrodinger (top row sixth from the left) poses with leading scientists at the Solvay Conference in 1927 (Image credit: Benjamin Couprie, Institut International de Physique Solvay, Brussels, Belgium) 1. Sanatorium study His thesis...
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Image by andreas160578 from Pixabay Question from Joe Melling It would certainly damage both engines if you tried to run them for any length of time, though the petrol engine would probably break down first. While both...
Image by Jacky Barrit from Pixabay 10. Blons, Austria 12 January 1954 Death toll: 57 Often considered Austria’s worst avalanche, it consisted of two slides nine hours apart. The first was a dry-snow avalanche...