Homo erectus hand ax found in East Africa

A team of researchers from Japan, Hong Kong and Ethiopia has found a hand ax that they believe was made by a possibly direct human ancestor in what is now modern Ethiopia. In their paper published in Proceedings of the National ...

Exchange bias in van der Waals heterostructures

NUS scientists have discovered the exchange bias phenomenon in van der Waals CrCl3/Fe3GeTe2 heterostructures. The exchange bias phenomenon has a number of applications in magnetic sensors and magnetic reading heads, which ...

Air pollution in the U.S. declines during the COVID-19 pandemic

In response to the COVID-19 pandemic, the United States instituted business closures, social distancing and other policy measures to combat the spread of disease. University of Minnesota School of Public Health researchers ...

Scientists discover fault system in southeastern Nepal

A newly identified fault system in southeastern Nepal has the potential to cause earthquakes in a densely populated area, according to two University of Alberta scientists who were part of an international team that made ...

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