Wet periods in northeastern Brazil over the past 210 kyr linked to distant climate anomalies

Article Abstract:

The study presents a 210,000-year (210-kyr) record of wet periods that is obtained from speleothems and travertine deposits that are accurately dated using the U/Th method of the tropical northeastern Brazil. It concluded that the wet periods probably affected rainforest distribution, as plant fossils show that forest expansion occurred during these intermittent wet intervals, and opened a forest corridor between the Amazonian and Atlantic rainforests.

Brazil, Causes of, Environmental aspects, Climatic changes, Climate change, Rain forests

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Early human occupation of the Red Sea coast of Eritrea during the last interglacial

Article Abstract:

Stone Age artefacts discovered on the Red Sea coast of modern-day Eritrea lend support to the 'out of Africa' hypothesis of human origins. The finds suggest human adaptation to a coastal marine environment and a widespread adaptive strategy underpinning expansion of human behaviour.

Analysis, Demographic aspects, Prehistoric peoples, Anthropology

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Melting of the Earth's Lithospheric mantle inferred from protactinium-thorium-uranium isotopic data

Article Abstract:

A technique to place constraints on melting the lithospheric mantle is presented.

Earth, Mantle (Geology)

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