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Tyrannosaurs ate one another, evidence suggests

150409083201-large Injuries inflicted on a tyrannosaurus in life appear to be inflicted by another tyrannosaurus. But a new research paper reports similar injuries on another t-rex skull inflicted after death, suggesting that tyrannosaurus scavenged its own kind.

There is no evidence that the animal died at the hands (or mouth) of another tyrannosaur. However, the preservation of the skull and other bones, and damage to the jaw bones show that after the specimen began to decay, a large tyrannosaur (possibly of the same species) bit into the animal and presumably ate at least part of it. Combat between large carnivorous dinosaurs is already known and there is already evidence for cannibalism in various groups, including tyrannosaurs. This is however an apparently unique record with evidence of both pre- and post-mortem injuries to a single individual.

The awesome painting of feathery t-rexes vying to devour one another is by Luis Rey.

WATCH: Dinosaurs' Earl Sinclair does The Notorious B.I.G.'s Hypnotize

Not to be outdone by Muppets doing The Humpty Dance, here's Earl Sinclair from Dinosaurs doing "Hypnotize" by The Notorious B.I.G., courtesy of Benjamin Roberts. Only 90s kids will get this!

Chocolate megalodon teeth for the Easter Dinoshark


Cast from a real fossil dino-shark tooth, available in milk, dark and white chocolate, just in time for Easter. (via Bruce Sterling)

Monstrous menorahs!


Portland's Lisa Pierce makes amazing, whimsical menorahs and candlesticks that look like metallic creatures (they're painted plastic toys), including the Menorasaurus Rex, the treyfe-a-riffic Menobster, and these T-Rex candle-holders.

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3D printed T-Rex shower head


JM Schwartz's 3D printable T-Rex shower head is just about the best thing I've seen all week. It's a mashup of a T-Rex skull produced by Makerbot Academy and Schwartz's own shower-head design.

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$100K life-size T-Rex skeleton replica


It's 40' long from nose to tail, is composed of 190 bones, is billed as "museum grade" and comes with an assembly crew that will stage it in any "anatomically possible" pose. His name is Stan.

Kickstarting fine jewelry made by scanning animal skulls

Fire and Bone's repeating its previous Kickstarter success with a new collection of 3D scanned skulls (including velociraptors!) that are turned into lost-wax molds through 3D printing, available in finished form as yellow/white bronze and silver.

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Norwegian atheist velociraptor trike: the movie

Remember Norwegian artist Markus Moestue's velociraptor trike, which he pedalled cross-country to protest religious education in state schools? Well, now there's a video documenting the trip.

An Exclusive Inside Look at Denver’s Dinosaur Hotel

Ethan Gilsdorf reports on the most awesome hotel in the country. Meet Stanley the Stegosaurus and friends!Read the rest

Video: Dismantling a real dinosaur

The National Museum of Natural History is taking apart an Allosaurus, very very carefully, to prepare for its Dinosaur Hall renovation. (National Geographic)

Happy Dinosaur Dissection Day!

When you cut apart your Thanksgiving turkey this year, let's all take a moment to remember the other animals that once fed on dinosaurs — including ancient giant squirrels, sharks, and (of course) other dinosaurs.

How big was a T. Rex turd?

If paleoeschatologist Karen Chin is right, then the 2.4 liter fossilized fecal mass she found Saskatchewan could have been the work of a Tyrannosaurus Rex.

Luis Alvarez: Your new science hero?

Forget Tesla. Luis Alvarez should be the new object of your science history obsession says Ben Lillie at The Last Word on Nothing. Them's fightin' words. But Lillie backs it up. With his son Walter, Alvarez was the first to suggest that a giant asteroid impact had led to the mass extinction of the dinosaurs. Before that, he won a Nobel for designing a better Bubble Chamber to study electrically charged particles, invented the aircraft blind landing system and night-vision binoculars, found hidden rooms in the pyramids at Giza, investigated the JFK assassination, and was also a creepily outspoken voice in favor of global nuclear armament. (So it's not all awesome stuff.) Read more.

"Lifelike" wall-mounted T. Rex head


The 14" high T. Rex replica head ($73 on Amazon) gets pretty good reviews from the people who've bought it -- sounds like just the thing if you want to create the illusion that you're a time-traveling big game hunted.

Wall Mounted T-rex Dinosaur Head Tyrannosaurus Rex Hanging Display Plaque Decor (via Red Ferret)

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How James Gurney paints dinosaurs

[Video Link] I love James Gurney's art. He is the creator of the beautiful Dinotopia series of books, and he's just made a video that shows the process he used to paint two illustrations of dinosaurs for Scientific American. This trailer shows how much careful planning Jim puts into his work -- sketches, color, studies, photography, and cool 3D models. Wow! I sure admire his devotion to his craft.

The 56-minute video is available at a name-your-price starting point of $15, which is a great deal. It'll also be available soon on DVD with bonus features.

The dumb T.Rex controversy everybody's talking about

Scientists found a Tyrannosaurus Rex tooth embedded in the tailbone of a duckbilled dinosaur. Now, everybody wants to know: Does this mean T.Rex really was a predator, rather than a scavenger, as has been proposed in previous studies? The correct answer is "STFU." That's my paraphrase of John Hutchinson — who studies the biomechanics of large animals, including T.Rex. He says the "controversy" here doesn't really exist. That's because most carnivores are both predators and scavengers and most paleontologists would agree that T.Rex is no exception to that rule.

Dinobird plumage revealed

Chemical analysis of Archaeopteryx remains show that the creature was patterned "light in colour, with a dark edge and tip to the feather", say researchers from the University of Manchester.