Physicists are learning to treat light not as an untouchable beam that simply passes through matter, but as something that ...

A new method predicts leaf optical properties from traits, improving canopy light modeling and photosynthesis estimates in ...

Adderall, Ritalin and other stimulants prescribed for attention-deficit/hyperactivity disorder seem to work on brain areas ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

Controlling light at dimensions thousands of times smaller than the thickness of a human hair is one of the pillars of modern ...

Explore some favorite visual stories of designers, developers and art directors from The Washington Post’s Design, Graphics and Opinions teams.

New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and ...

Abstract: The passive acoustic monitoring (PAM) community has achieved remarkable success using magnitude-only short-time-Fourier-transform (STFT) spectrograms for underwater acoustic classification, ...

Abstract: Preprocessing in biometrics is the process of fine-tuning input data or features extracted from data by applying varying techniques to improve recognition performance. In most speaker ...

Background Heart auscultation is a widely used and cost-effective clinical tool for detecting valvular heart disease (VHD), particularly in primary care. However, existing evidence on its diagnostic ...