Quantum entanglement is one seriously long-distance relationship. Quantum entanglement occurs when two subatomic particles become linked in such a way that their properties remain connected, no matter ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to calculate ...

Good tax policy design requires evaluating fiscal regimes for extractive industries (EI) with economic and financial analysis at the project level. This website introduces key concepts and methodology ...