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Thursday, July 29, 2021
Fossils of the oldest meat-eating dinosaur had been simply found in Brazil

Fossils of the oldest meat-eating dinosaur had been simply found in...

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Illustration of Gnathovorax cabreirai in life, along with fantosaurs, in a graphic recreation by paleoartist Márcio Castro. Universidade Federal de Santa Maria Long before Tyrannosaurus rex stomped across the Earth, a 230-million-year-old Mesozoic meat eater was gnawing its way through the Triassic world. Nearly 10 feet long, the small but ferocious Gnathovorax cabreirai -- meaning…
NASA will hunt for fossils on Mars

NASA will hunt for fossils on Mars

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The Mars 2020 rover is set to make its way to the red planet next year.  NASA/JPL-Caltech When you think about fossils, you probably imagine T. rex skulls and sauropod femurs. NASA's Mars 2020 rover will be looking for fossils on Mars, but not that kind of fossil. NASA highlighted a new study in the…
Researchers call brand-new fossil types after Centuries Falcon from Star Wars

Researchers call brand-new fossil types after Centuries Falcon from Star Wars

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A new species from the Burgess Shale has been discovered by paleontologists from the Royal Ontario Museum. Paleontologists excavating a site in the Canadian Rockies known as the Burgess Shale have discovered the fossilized remains of a heretofore-unknown species of arthropod with a distinctive horseshoe-shaped upper shell. They whimsically named the species Cambroraster falcatus after…
Fossilized Clams Had Proof of a Meteorite Effect Inside Them

Fossilized Clams Had Proof of a Meteorite Effect Inside Them

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When an extraterrestrial object slams into the Earth, it sends molten rock high into the atmosphere. That debris cools and re-crystallizes and falls back down to Earth. Tiny glass beads that form in this process are called microtektites, and researchers in Florida have found microtektites inside fossilized clams. This story starts over 10 years ago…
Physics suggests a few of Earth’s earliest animals assisted each other feed

Physics suggests a few of Earth’s earliest animals assisted each other...

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Enlarge / The result of a fluid mechanics simulation with multiple Erniettas. Dave Mazierski What drove the evolution of the earliest animal life? In modern animals, it's easy to infer a lot about an organism's lifestyle based on its anatomy. Even back in the Cambrian, with its large collection of bizarre looking creatures, these inferences…
Vibrant fossils discovered in an Australian opal mine connected to a new plant-eating types of dinosaur

Vibrant fossils discovered in an Australian opal mine connected to a...

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Colorful fossils discovered in Australia were found to belong to a stunning new species of dinosaur, according to a new report published in the Journal of Vertebrate Paleontology The fossils were discovered in Lightning Ridge, New South Wales, a small outback town famous for its opal mines near the state's northern border with Queensland. Lightning…
Billion-year-old fossils might be early fungi

Billion-year-old fossils might be early fungi

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When did the first complex multicellular life arise? Most people, being a bit self-centered, would point to the Ediacaran and Cambrian, when the first animal life appeared and then diversified. Yet studies of DNA suggest that fungi may have originated far earlier than animals. When it comes to a fossil record, however, things are rather…
X-rays expose the colors of a 3 million-year-old fossil mouse

X-rays expose the colors of a 3 million-year-old fossil mouse

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Enlarge / A false color synchrotron X-ray image of the fossil chemistry. Blue represents calcium in the bones, green is the element zinc, which has been shown to be important in the biochemistry of red pigment, and red is a particular type of organic sulfur that cannot be imaged by traditional methods. This type of…
The Fossils That Influenced ‘Alien’

The Fossils That Influenced ‘Alien’

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A petrified crinoid. Similar fossils inspired the creature featured in the successful "Alien" saga. D.Bressan When the movie “Alien” was released forty years ago, it quickly terrified audiences worldwide. Its unexpected mix of classic horror and science-fiction elements got at first mixed reviews, however, over the years Alien had come to be regarded as one…
Brand-new research study refutes a few of the earliest proof for life

Brand-new research study refutes a few of the earliest proof for...

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Enlarge / The triangular shapes had been described as possible relics of 3.7 billion-year-old microbial life. The rock has been flipped upside down since then, but the red arrow highlights that one of these triangles is not like the others. Few things in science seem to be as controversial as claims to the oldest evidence…

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