How to Read Polls: Margins of Error, Samples, and Framing

Learning to read a survey means understanding margins of error, sampling, weighting, and media framing, with an essential ...
IEEE

An Adaptive Sampling Method Based on Expected Improvement Function and Residual Gradient in PINNs

Abstract: In recent years, physics-informed neural networks (PINNs) have developed significantly as a deep learning technology. In analogy to the selection of grid cells in traditional numerical ...

A Simple Saliva Test Could Tell You the Exact Moment When Your Brain Is Most Prepared to Learn

A new study reveals how a simple hormone balance in your saliva may be able to predict when your memory is at peak ...
Nature

Making samples one billion times bigger lets simple microscopes pinpoint amino acids

Stretching protein samples in all directions pulls molecules farther apart, allowing them to be visualized using only light ...
san

Inside America’s political polling problem

In the early morning hours of Nov. 9, 2016, news networks called Wisconsin for Donald Trump, cementing his victory over Hillary Clinton. Most voters were surprised, both candidates were shocked and ...
IEEE

Interrupted Sampling Repeater Jamming Suppression Method Based on Time-Frequency Domain Statistical Characteristics

Abstract: Interrupted sampling repeater jamming (ISRJ) is a type of coherent interference that works by sampling and retransmitting radar signals multiple times within a single radar pulse, creating ...