Model Airplanes

The CT scans produce perfect virtual models of the bones, which can then be subjected to testing in ways that would be impossible with a fragile or cumbersome fossil. By importing the virtual models into different computer programmes, dinosaur skeletons can be clothed in muscle, subjected to forces generated by walking, running and feeding. They can also be tested to destruction in ways that no worthy museum curator would permit on the original bones themselves.

How old is that dinosaur?

By carefully cutting thin sections through dinosaur bones and putting them under the microscope, we can age dinosaurs and work out how fast they grew to adulthood. This is done by counting the growth lines in the bone walls which, much like tree rings, were laid down each year.

Dinosaurs grew really fast, with even the largest species such as Apatosaurus and Tyrannosaurus reaching full size in no more than 30 years – and like humans, dinosaurs had a teenage growth spurt.

How do we know what dinosaurs looked like?

Some dinosaur fossils are so spectacularly preserved they include evidence of soft tissues like skin, muscle and internal organs. These give vital clues on dinosaur biology and appearance.

Article source: http://www.nhm.ac.uk/discover/what-can-scientists-learn-about-dinosaurs-and-how.html

by Becky GINOS

bginos@davisclipper.com

BOUNTIFUL—Danny Sorensen has a hard time keeping his feet on the ground and his head is always in the clouds. That’s because Sorensen’s love of flying has taken him all over the country doing loop de loops in multiple airshows while wowing the crowd down below.

The Bountiful pilot was set to demonstrate his aerobatics this weekend at the Hill Air Force Airshow in a plane he built himself until he was forced to make a crash landing in Wyoming a few weeks ago. Sorensen walked away unharmed, but the plane was not so lucky.

“It’s in Evanston,” he said. “Once I get it down here I’ll start getting parts. I did it (built it) once before I’ll do it again. I have a lot of people willing to jump in and help.”

Sorensen is disappointed he won’t be able to fly in the show. “I was really looking forward to it,” he said. “I hope to start again next year. They’ll have another show in two years. I look forward to the future and I’ll just do the best I can. Life is good. We’re all happy and healthy so that’s the most important thing.”

That “can-do” attitude has “propelled” him throughout his life. “My dad was a pilot before WWII,” said Sorensen. “After Pearl Harbor he enlisted in the Navy to be a fighter pilot. He was injured so he never flew in combat. He always talked about airplanes and he would

Article source: http://davisclipper.com/news/bountiful-pilots-love-of-flying-in-his-blood/

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Article source: https://slate.com/human-interest/2018/06/louise-linton-has-overhauled-her-instagram-persona-in-the-wake-of-airplane-photo-gate.html