What did early humans like to eat? The answer, according to a team of archaeologists in Argentina, is extinct megafauna, such ...

The global economy has been much more resilient to global trade policy shocks than many had predicted. Read more here.

Abstract: We have numerically studied single-frequency gain-switched $\mathbf{2}-\boldsymbol{\mu} \mathbf{m}$ thulium doped fiber laser oscillator with cm-level long cavity length. The peak output ...