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About Particle

Particle uses AI insights to predict short-term movement in commodity prices and is used primarily by trading firms. The company generates predictions from Twitter by analyzing highly relevant tweets each day. The AI detects bullish and bearish sentiments in real-time to understand the collective opinion that affects commodity prices.

Particle Headquarter Location

3100 Central Expressway

Santa Clara, California, 95051,

United States

Latest Particle News

Unearthing ancient Australia winds back the clock millions of years

Sep 17, 2021

by Thomas Crow, Particle Credit: Sheepbaa, via Wikimedia Commons What did prehistoric life look like in Australia? The skeletons of ancient creatures buried for millions of years are shedding light on marsupial evolution. Beneath the dry, dusty landscape of a sprawling South Australian cattle station lies an ancient graveyard. Twenty-five million years ago, Etadunna Station was a lake surrounded by woodland. Now, its treasure trove of prehistoric fossils are helping scientists unravel the mysteries of life on Earth eons ago. Dental detective work Kenny analyzed fossils collected from Etadunna by US researchers to shed light on the marsupials' evolution. Comparing the teeth of modern bilbies and their distant ancestors shows how their diet changed over time. Kenny combined his dental detective work with geological data from other scientists. These records show what the climate was like by way of chemicals in the atmosphere added to the soil by plants. Slowly, these puzzle pieces begin to form a picture. The big chill During the Miocene era (roughly 23 to 5 million years ago), the tropical rainforests that once covered Australia were shrinking. The polar caps were freezing, meaning less rain, and Earth cooled over millions of years. Species competed fiercely over the remaining resources; causing many to change size over time. "The bilby that was discovered there was probably the largest species by far," Kenny says. "It would have been about the size of today's lesser bilby. Everything else at that point was much smaller—the size of a mouse." But it wasn't alone. “We’re working on a million-acre cattle station. It’s dry and sparse. Etadunna Station, named after the rocks,” says Judd. Credit: Judd Case/East Washington University Hop to it The first hopping kangaroos evolved from their rainforest-dwelling ancestors to cover vast plains in search of food and mates. Small cat-like marsupials called dasyurids hunted ground-dwelling bilbies and bandicoots. The quoll and Tasmanian devil are modern-day dasyurids. "The dasyurids don't seem to be very prevalent, whereas today, they're the most diverse group of marsupials, with kangaroos the second most diverse," says Kenny. But the fossils collected at Etadunna Station met a different end—crocodile attack. Crocodile 'larders' Professor Judd Case is an evolutionary biologist at Eastern Washington University. His team found the fossils at Etadunna Station by combing through ancient lake deposits. "We find lakes with partial skeletons where crocs have pulled the animals in," says Judd. "It's their larder, to come back later. Then it gets covered up and they can't find it—until we do millions of years later." But even when you know where to look, finding fossils isn't easy. Judd's team built quarries in areas where they expected to find fossils. "You're on your knees in the quarry to find these larger bones," says Judd. "But most of the fossils are fragments of skull or teeth. You need to sieve through them with water." With not enough water to sift all the dirt and rock, the team ended up bringing kilos of potential fossils back to Adelaide. "It's the last, most tedious part of the process to pick through that," says Judd. "You sort through grain by grain, picking out any bone that's there." Each excavated rock layer can represent millions of years. Over these massive timespans, the climate changed many times. These changes caused some species to go extinct and slowly molded Australia's modern-day marsupial species. "The fossils show changes in climate really shaped the modern bandicoots," says Judd. "It was the combination of many climate changes that caused multiple extinction events." Explore further

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Research containing Particle

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CB Insights Intelligence Analysts have mentioned Particle in 22 CB Insights research briefs, most recently on Sep 30, 2021.

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Particle is included in 3 Expert Collections, including Artificial Intelligence.


Artificial Intelligence

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Companies in the capital markets tech space are providing software and/or services for investment banks, hedge funds, investment managers, and so forth. Companies included use technology across the front, middle, and back-offices and streamline all pre- and post-trade operations.



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