Around 260 million years, the Earth was dominated by mammal like reptiles called therapsids. The largest of these therapsids were the dinocephalians, a genus composed of several herbivorous and carnivorous species.
Earth Sciences
Apr 25, 2018
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17
Police detectives analyze isotopes in human hair to find out where a murder victim was born and grew up. Ashley Sharpe, an archaeologist at the Smithsonian Tropical Research Institute in Panama, and colleagues combined clues ...
Archaeology
Mar 19, 2018
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107
How can we know anything about the carbon dioxide levels in the atmosphere in earth's deep past? Tiny bubbles trapped in ice provide samples of ancient air but this record goes back only 800,000 years. To reach further back, ...
Earth Sciences
Feb 28, 2017
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126
Good news for archaeologists and natural scientists! You will be able to continue to use the radiocarbon method as a reliable tool for determining the age of artefacts and sample materials. The reduction of the carbon isotope ...
Environment
Dec 6, 2016
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15
Scientists from the Senckenberg Center for Human Evolution and Palaeoenvironment at the University of Tübingen discovered that Neanderthals modified their survival strategies even without external influences, such as environmental ...
Archaeology
Nov 29, 2016
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11
The route taken by Hannibal over the Alps to invade Italy has been a matter of debate for 2,000 years, but scientists may now have the answer—thanks to some ancient horse poo.
Archaeology
Apr 6, 2016
4
182
Despite thousands of years of hard work by brilliant scholars, the great enigma of where Hannibal crossed the Alps to invade Italy remained unsolved. But now it looks like we may just have cracked it – all thanks to modern ...
Archaeology
Apr 4, 2016
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181
The impact of an asteroid at the end of the Cretaceous caused mass extinctions in the oceans, as well as killing the dinosaurs on land. The carbon isotope difference between surface and seabed organisms (foraminifera) also ...
Earth Sciences
Mar 8, 2016
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7
Two complementary methods work together in a study forthcoming in The Auk: Ornithological Advances, producing more refined estimates of where individual Barn Swallows spend the winter. Using the methods separately comes with ...
Ecology
Dec 30, 2015
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53
Research into macroalgae on WA reefs has revealed relationships between carbon isotope ratios and factors like temperature that may assist in the long-term monitoring of marine food webs.
Environment
Mar 12, 2015
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9
