A series of recent theoretical papers argue that some subluminal “warp-drive” spacetime designs could avoid the traditional requirement for “exotic” negative-energy matter, or at least reduce/shift ...

Evidence is provided suggesting that aggregate neural activity at an early stage of visual processing (V1) can directly contribute to perceptual decisions in humans.

When you know a webinar is happening six weeks from now, you can build everything around it in advance rather than scrambling ...

A characteristic line, which is used in regression analysis, represents a security's systematic risk and return. Learn how it functions in financial assessments.

Scott Calvert is a Baltimore-based national affairs reporter for The Wall Street Journal. He previously covered general news in the mid-Atlantic region, as well as K-12 education issues nationally. He ...