For the first time, researchers can offer a strong quantitative definition for the start of what is known as the Anthropocene, thanks to traces of radioactive material in marine sediments and corals. The Anthropocene period ...
Earth Sciences
Jul 5, 2022
0
474
During another time in which Earth warmed rapidly in conjunction with a spike in atmospheric carbon similar to our modern climate, seawater temperature and chemical changes decimated an important piece of the food web in ...
Environment
Mar 9, 2022
6
54
Since the discovery of the deep subseafloor biosphere in the mid-1990s, scientists have studied the conditions under which organisms thrive in this isolated and generally food-deprived environment and wondered which conditions ...
Ecology
Jan 25, 2022
1
276
NASA's Curiosity rover landed on Mars on Aug. 6, 2012, and since then has roamed Gale Crater taking samples and sending the results back home for researchers to interpret. Analysis of carbon isotopes in sediment samples taken ...
Planetary Sciences
Jan 17, 2022
8
793
Lakes in alpine locations react sensitively to climate change. Researchers led by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), and the Faculty of Geosciences at Southwest Jiaotong University in ...
Evolution
Jan 10, 2022
0
28
An international team of researchers reports evidence that a warmer ocean leads to decreases in fish size. In their study, published in the journal Science, the group analyzed a sediment sample from the ocean floor providing ...
The movement of water masses in the ocean, its circulation, is an essential component of the global climate system. In a study recently published in the journal Proceedings of the National Academy of Science (PNAS), researchers ...
Earth Sciences
Dec 9, 2021
1
157
An international team of researchers has found evidence that people lived on islands in the Azores archipelago approximately 700 years earlier than prior evidence has shown. In their paper, published in Proceedings of the ...
Earth's strongest ocean current, which circulates around Antarctica, plays a major role in determining the transport of heat, salt and nutrients in the ocean. An international research team led by the Alfred Wegener Institute ...
Earth Sciences
Jun 24, 2021
31
14
In a landmark study, scientists from Australia, Germany and Russia have used ancient DNA recovered from sediment samples from Denisova Cave in Siberia to reveal a detailed occupational history of this unique site by three ...
Archaeology
Jun 23, 2021
1
1577
