Reference Terms
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Jurassic
The Jurassic period is a major unit of the geologic timescale that extends from about 200 Ma (million years ago) at the end of the Triassic to 146 Ma at the beginning of the Cretaceous.
Note: The above text is excerpted from the Wikipedia article "Jurassic", which has been released under the GNU Free Documentation License.
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Fossils & Ruins News
January 16, 2025
Jan. 15, 2025 Scientists have identified fossils of snow leopards. The discovery has allowed them to trace the evolutionary history of the species during the Quaternary period and to propose how it dispersed from ...
Jan. 15, 2025 A groundbreaking study finds evidence that land was inherited through the female line in Iron Age Britain, with husbands moving to live with their wife's community. This is believed to be the first time such a system has been documented in European ...
Jan. 13, 2025 Researchers have discovered what may be the world's oldest three-dimensional map, located within a quartzitic sandstone megaclast in the Paris ...
Jan. 1, 2025 A research team has clarified a mechanism of how retrotransposons, genetic elements that can 'jump around' chromosomes and are known drivers of evolution, preferentially insert in the ...
Latest Headlines
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Jan. 16, 2025 4,900 years ago, a Neolithic people on the Danish island Bornholm sacrificed hundreds of stones engraved with sun and field motifs. Archaeologists and climate scientists can now show that these ...
Jan. 16, 2025 Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...
Jan. 16, 2025 The synchronization of data from two natural climate archives -- a speleothem from the Herbstlabyrinth Cave in Hesse (Germany) and ice cores from ...
Jan. 16, 2025 A new study has revealed the alarming extent glaciers have shrunk over the past 40 years in a global warming hotspot -- and the biggest retreat has ...
Jan. 16, 2025 A long-standing question about when archaic members of the genus Homo adapted to harsh environments such as deserts and rainforests has been answered in a new research ...
Jan. 9, 2025 Prehistoric kangaroos in southern Australia had a more general diet than previously assumed, giving rise to new ideas about their survival and resilience to climate change, and the final extinction ...
Jan. 15, 2025 A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, the highly adaptable carnivores spotted in alleyways from Berkeley, Calif., to the Bronx, in New ...
Jan. 15, 2025 The three-dimensional shape of a protein can be used to resolve deep, ancient evolutionary relationships in the tree of life, according to a new study. It is the first time researchers use data from ...
Jan. 15, 2025 For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...
Jan. 10, 2025 An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the ...