The average temporal avalanche shape has been measured for earthquakes 6 and for dislocation avalanches in plastically deformed metals 7,8, but the primary experimental and theoretical focus has ...

In 1999, while sitting at a bus stop in Cuernavaca, Mexico, a Czech physicist named Petr Šeba noticed young men handing slips of paper to the bus drivers in exchange for cash. It wasn’t organized ...

All life on Earth is unified by its use of a shared set of component chemical compounds and reactions, providing a detailed model for universal biochemistry. However, this notion of universality is ...

The UN Secretary General’s Roadmap for Digital Cooperation, launched in June 2020, underlines the crucial role that digital technology plays in the COVID-19 and post COVID-19 world, and our collective ...

I am writing to express my grave concern as to the current policies and practices of the U.S. government with regard to visas for scientists from Cuba. The president-elect of the Federation of Latin ...