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Dinosaurs: Ancient Fossils, New Discoveries

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IMAGINE THE THRILL OF DISCOVERING something brand-new about a creature that lived millions of years ago. Ever since the first dinosaur fossil was identified almost 200 years ago, people have wondered how these fascinating animals lived, moved and behaved. At first, dinosaur hunters used only such tools as a keen eye, shovels and compasses. Today, scientists also rely on everything from satellite technology to scanning electron microscopes. Prepare to take a journey of discovery into the exciting world of modern paleontology. New dinosaur fossils are being discovered faster than ever before. Advanced technology allows scientists to look at these fossils in fresh ways. And researchers are gaining surprising insights into these amazing animals. New discoveries, new technology and new ideas are helping today's scientists piece together what these living, breathing dinosaurs were really like.
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  • 1 0:21

    Alligators, crocodiles and birds are all descendants of dinosaurs.

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    Melanosomes found in dinosaur fossils may give insight to a dinosaur's skin color.

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Dinosaurs died out some 65 million years ago, so how could we possibly determine the color of their skin--or feathers? As Scientific American's Eric R. Olson explains, new fossil evidence is pointing the way. Episode written by Kate Wong. --- WATCH more Instant Egghead: http://goo.gl/CkXwKj SUBSCRIBE to our channel: http://goo.gl/fmoXZ VISIT ScientificAmerican.com for the latest science news:http://goo.gl/lHq0CH
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What can you learn about ancient creatures from the fossils they have left behind? Find out how scientists discover millions-of-years-old dinosaur fossils in the field, bring them back to the Museum, and study them in the laboratory.  In this Google Virtual Field trip, renowned paleontologist Mark Norell leads a behind-the-scenes tour of the Museum Paleo Prep Lab. This is where real discoveries are made, as experts extract fossils from rock and examine the evidence to determine what kind of dinosaur it was and how it might have lived. You will also meet a fossil preparator who plays a huge role in helping paleontologists piece together the past—fossil by fossil. There will also be an opportunity to ask questions about what you can learn from fossils and what's it's like to be a paleontologist.    This class is appropriate for middle school students.
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They've finally found a fossilized mosquito full of prehistoric blood! So a real Jurassic Park is right around the corner, right? Trace explains what exactly this discovery means, and if this means you'll be visiting Isla Nublar any time soon. Read More: Hemoglobin-derived porphyrins preserved in a Middle Eocene blood-engorged mosquito http://www.pnas.org/content/early/2013/10/08/1310885110 "Although hematophagy is found in ?14,000 species of extant insects, the fossil record of blood-feeding insects is extremely poor and largely confined to specimens identified as hematophagic based on their taxonomic affinities with extant hematophagic insects; direct evidence of hematophagy is limited to four insect fossils in which trypanosomes and the malarial protozoan Plasmodium have been found." A Fossilized Blood-Engorged Mosquito Is Found For the First Time Ever http://blogs.smithsonianmag.com/science/2013/10/a-fossilized-blood-engorged-mosquito-is-found-for-the-first-time-ever "In the 20 years since the movie Jurassic Park fantasized about how dinosaurs could be cloned from blood found in ancient amber-trapped mosquitoes, fossil collectors have been on the hunt for a similar specimen. Over the years, a few different groups of scientists have claimed to find a fossilized mosquito with ancient blood trapped in its abdomen, but each of these teams' discoveries, in turn, turned out to be the result of error or contamination." First Fossil of Blood-Filled Mosquito Discovered http://westerndigs.org/first-fossil-of-blood-engorged-mosquito-discovered/ "Through a series of events that scientists themselves admit was "extremely improbable," a mosquito that feasted on the blood of Eocene animals some 46 million years ago managed to die and become trapped in sediment, but remain in tact, all while carrying a belly full of blood - its last meal." How long does DNA last? http://www.theguardian.com/science/2005/jan/13/thisweekssciencequestions1 "Human DNA has been recovered from a Neanderthal fossil 70,000 years old. That's a record, but there may be plenty of DNA recoverable from a human body 10, 50 or even 150 years after death." Shades of 'Jurassic Park;' Ancient mosquito's last blood supper trapped in fossil, study says http://www.washingtonpost.com/politics/shades-of-jurassic-park-ancient-mosquitos-last-blood-supper-trapped-in-fossil-study-says/2013/10/14/5d45cf2c-3506-11e3-89db-8002ba99b894_story.html "In a steamy tropical forest 46 million years ago, a prehistoric mosquito bit a critter, drew blood and was blown into a lake in what is now northwestern Montana. Belly full, she died and sank." DNA has a 521-year half-life http://www.nature.com/news/dna-has-a-521-year-half-life-1.11555 "Few researchers have given credence to claims that samples of dinosaur DNA have survived to the present day, but no one knew just how long it would take for genetic material to fall apart. Now, a study of fossils found in New Zealand is laying the matter to rest - and putting an end to hopes of cloning a Tyrannosaurus rex." 'Jurassic Park' May Be Impossible, But Dino DNA Lasts Longer Than Thought http://www.livescience.com/23861-fossil-dna-half-life.html "In "Jurassic Park," scientists extract 80-million-year-old dino DNA from the bellies of mosquitoes trapped in amber. Researchers may never be able to extract genetic material that old and bring a T. rex back to life, but a new study suggests DNA can survive in fossils longer than previously believed." Watch More: No Jurassic Park EVER: http://www.youtube.com/watch?v=446cFXMTqvE TestTube Wild Card: http://testtube.com/dnews/dnews-476-allergies?utm_campaign=DNWC&utm_medium=DNews&utm_source=YT The Dinosaurs You Love Are Fake: http://www.youtube.com/watch?v=BMpVZ_p_7Bc ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Anthony Carboni on Twitter http://twitter.com/acarboni Laci Green on Twitter http://twitter.com/gogreen18 Trace Dominguez on Twitter http://twitter.com/trace501 DNews on Facebook http://facebook.com/dnews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com
00:51
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Read more at http://www.newscientist.com/article/mg20227103.500 BEHIND the war of words over the significance of Ida, the 47-million-year-old primate fossil unveiled last week, a quiet revolution in palaeontolgy is unfolding. Thanks to a souped-up version of a technique better known for its use in medical diagnostics, we are gaining unprecedented insights into the way prehistoric creatures lived, breathed and grew.
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Palaeontologist, Steve Brusatte, takes us on a whistle-stop tour of his favourite dinosaur moments, from the first ever dinosaur discovery to Archaeopteryx, the missing link between dinosaurs and birds. Subscribe to Earth Unplugged -- http://goo.gl/VK1MH Broadcast in 1999, Walking with Dinosaurs set out to create the most accurate portrayal of prehistoric animals ever seen on the screen. Combining fact and informed speculation with cutting-edge computer graphics and animatronics effects, the series took two years to make. Facebook: http://www.facebook.com/EarthUnplugged Twitter: http://www.twitter.com/earthunplugged Google+: http://goo.gl/RKq6q http://www.youtube.com/user/EarthUnpluggedTV http://www.youtube.com/subscription_center?add_user=earthunpluggedtv
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A new giant prehistoric monster revealed! Dreadnoughtus is the newest dinosaur discovery and this species was enormous. Drexel University professor Ken Lacovara named this giant species Drednaughtus which means "Fears Nothing" While it's not confirmed yet, this could be the largest land animal to have ever lived. Do you know what is the biggest animal today? That's right... it's the African Elephant. Drednaughtus was so big it weighed as much as 12 elephants! It was as long as 5 full sized vans (85ft, 26m) as tall as a 3 story building (30 ft, 9m) Could you imagine encountering one of these in the wild? And what's even more incredible is it wasn't fully grown before it died! It's tail was quite muscular and was believed to be used as a weapon to whiplash any potential predators that might be stupid enough to attack this massive creature. This monster belongs to the family of dinosaurs known as titanosaurian sauropods and it's discovery has opened the door to the idea that there may have been even bigger dinosaurs that roamed our planet. When it was living during the cretaceous era almost 80 million years ago, it was clearly one of the biggest dinosaurs around, weighing 7x's that of a T-Rex Luckily for other dinosaurs, it was just a vegetarian. Could you imagine how many plants it would have to eat on a daily basis? The fossil was discovered in Southern Patagonia region of Argentina a hot spot for unearthing dinosaur bones. This happens to be the most complete fossil of a Titanosaurian Sauropod dinosaur ever found with over 70% of the remains being intact. A professor of anatomy at Ohio University [Patrick O'Conner] was quoted saying. “It’s a pretty good one,” “Most often they’re not anywhere this complete.” While this discovery was just revealed the bones were actually brought into the US a few years ago for studying and will be returned to Argentina sometime next year. Links for Mobile Users... Prehistoric Monster in Australia http://youtu.be/vNYbWQSdf9c Drexel University Video http://youtu.be/jyoTwDfXZ6c Dreadnoughtus: A New Dinosaur Discovery Let's Connect -- http://www.epicadamwildlife.com/ -- http://www.facebook.com/epicadamwildlife -- http://www.twitter.com/epicwildlife -- http://gplus.to/epicwildlife