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This giant dinosaur is thought to
have traveled from Europe to Asia on two landmasses, a prehistoric bridge, which allowed animals and humans to travel to other territories before ocean waters cut it off.
Rebbachisaurid dinosaurs are typically found in South America, Africa and Europe. The discovery of this D. Kingi in Asia is surprising to paleontologists. It would have lived 90 million years ago.
spinosaurus:
paleontologists to this day are bewildered by this aquatic giant.
A 2020 study hypothesized that this fish-eating dinosaur might have used its fin-like tail to propel itself underwater to hunt its prey. A more recent study compares its behavior to that of a heron, wading in shallow waters for its prey. Paleontologists have been debating the behavior of this creature since 1915, when it was first discovered.
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This is the April 22, 2021, edition of Boiling Point, a weekly newsletter about climate change and the environment in California and the American West. Sign up here to get it in your inbox.
By virtue of the fact that you’re reading this newsletter, you’re probably aware today is Earth Day or as environmental reporters know it, “The day we get even more press releases than usual, but we keep doing the same job we’ve been doing all year.”
So I don’t have a special Earth Day edition of Boiling Point for you. I do, however, have some intriguing information about an idea that always seems to gets folks excited: Putting solar panels over water.
New Fossil Evidence in Utah Points to T. Rex as Pack Hunters
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A recent study by UC Berkeley researchers pinned the total number of
T. rex that have ever roamed Earth at a whopping 2.5 billion. Now, the Bureau of Land Management in Utah (or BLM Utah), has announced another
T. rex finding that makes the “king lizard tyrants” seem frighteningly prolific: the discovery of confirmatory evidence that a group of four or five of the beasts found fossilized together in the Utah desert did indeed move in unison while alive. And the BLM researchers even think the dinos probably hunted as a unit.
Paleontologist Alan Titus, who discovered the Rainbows and Unicorns site in 2014 and is one of the lead authors of the
PeerJ study, says that the group of deceased and fossilized Tyrannosaurus rex specimens were the victims of a massive flood that drowned them and washed their bodies into a lake. They lay on the bottom, grouped together and undisturbed, for millions of years, until climatological and geological changes dried the lake and created a river (also now gone) that eroded the soil and brought the bones back up to the earth’s surface.
“We used a truly multi-disciplinary approach (physical and chemical evidence) to piece the history of the site together,” explained Celina Suarez , a University of Arkansas geologist and study participant. “The end-result [was] that the tyrannosaurs died together during a seasonal flooding event.”