The spectacular radiation of 2,000 species of cichlid fishes in East Africa is an ideal model system and natural laboratory for studying evolutionary processes. The explosive speciation of cichlids is ...

We propose a new criterion for model selection in prediction problems. The covariance inflation criterion adjusts the training error by the average covariance of the ...

No audio available for this content. For users relying on centimeter-level accuracy — such as surveyors, engineers and autonomous systems — ionospheric disturbances can mean system downtime and ...

Algo developers often stress the importance of alpha predictors over short and long-term horizons. Good alpha predictors can help modulate trading plans and improve the timing of executions. However, ...

M aking education more effective, equitable and available to every child in the world has long been the holy grail for education technologists and entrepreneurs, who have developed countless solutions ...