Reference Terms
from Wikipedia, the free encyclopedia
Radiocarbon dating
Radiocarbon dating is a radiometric dating method that uses the naturally occurring isotope carbon-14 to determine the age of carbonaceous materials up to ca 60,000 years.
Note: The above text is excerpted from the Wikipedia article "Radiocarbon dating", which has been released under the GNU Free Documentation License.
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Fossils & Ruins News
October 29, 2024
Oct. 29, 2024 Paleontologists have identified fossils of an ancient species of bug that spent the past 450 million years covered in fool's gold in central New York. The new species, Lomankus edgecombei, is a distant relative of modern-day horseshoe crabs, ...
Oct. 28, 2024 The Triassic-Jurassic Extinction, 201.6 million years ago, has been considered by some to have been a fairly slow-burn event, driven by rising temperatures and ocean acidification. A new study says ...
Oct. 29, 2024 Researchers used laser-guided imaging to uncover vast unexplored Maya settlements in Campeche, Mexico, revealing more than 6,500 pre-Hispanic structures, including a previously unknown large city ...
Oct. 23, 2024 The new mammal lived in Colorado 70 to 75 million years ago -- a time when a vast inland sea covered large portions of the state, and animals like sharks, turtles and giant crocodiles ...
Latest Headlines
updated 12:56 pm ET
Oct. 29, 2024 An ancient gene mutation among First Nations inhabitants of Oceania may make them more susceptible to infectious diseases like influenza, according to a new ...
Oct. 28, 2024 Using new technology, researchers have been able to confirm the location of the world's oldest ochre mine and trace how ochre from the mine was dispersed to nearby ...
Oct. 27, 2024 The warming climate in polar regions may significantly disrupt ocean circulation patterns, a new study indicates. Scientists discovered that in the distant past, growing inflows of freshwater from ...
Oct. 25, 2024 Researchers reveal new insights into the complex evolutionary history behind the distinctive upright posture of modern placental and marsupial mammals, showing the transition was surprisingly complex ...
Oct. 25, 2024 A passage in the Norse Sverris Saga, the 800-year-old story of King Sverre Sigurdsson, describes a military raid that occurred in AD 1197, during which a body was thrown into a well at Sverresborg ...
Oct. 24, 2024 New Zealand's native stoneflies have changed colour in response to human-driven environmental changes, new research shows. The study provides arguably the world's most clear-cut case of animal ...
Oct. 23, 2024 Fossils from more than 600,000 years ago reveal how Southern Europe's animal community shifted between warm and cold climate fluctuations, according ...
Oct. 23, 2024 The transition from water to land is one of the most significant events in the history of life on Earth. Now, a team of roboticists, palaeontologists ...
Oct. 23, 2024 A research team has used nitrogen isotope analysis to demonstrate that 385 million years old corals from the Eifel and Sauerland regions had symbionts. This finding represents the earliest evidence ...
Ancient Viral DNA in the Human Genome Linked to Multiple Sclerosis and Amyotrophic Lateral Sclerosis
Oct. 21, 2024 New research has revealed a connection between ancient viral DNA embedded in the human genome and the genetic risk for two major diseases that affect ...