A recent $7 million SNAP fraud case was an "anomaly," not an example of errors the Trump administration has highlighted.

Important instruments for neuroscience and medical diagnostics, optically pumped magnetometers measure responses of polarized atoms to produce information about the low-frequency external field. They ...

Weather forecasting is one of the most advanced sciences on Earth. But it’s also one of the most complex and humbling. Here's ...

A destructive windstorm disrupted the power supply to more than a dozen atomic clocks that keep official time in the United ...

A “standard reference thermoelectric module (SRTEM)*” for objectively measuring thermoelectric module performance has been ...

Officials said the error is likely too minute for the general public to clock it, but it could affect applications such as critical infrastructure, telecommunications and GPS signals.

A team of Australian and international scientists has, for the first time, created a full picture of how errors unfold over ...

When scientists test algorithms that sort or classify data, they often turn to a trusted tool called Normalized Mutual Information (or NMI) to measure how well an algorithm's output matches reality.

After reviewing thousands of benchmarks used in AI development, a Stanford team found that 5% could have serious flaws with ...

Mathbots haven’t done much for K-12 math instruction. Can more sophisticated uses of AI succeed in turning around American ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...