For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Additive manufacturing, or 3D printing, is normally a one-way street. In a digital light processing (DLP) printer, a ...

Doctors and device makers are habituated to the notion that more devices equal better outcomes, but one presenter at this year’s Transcatheter Cardiovascular Therapeutics meeting in San Francisco ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Interventions targeting drinking water safety and responsible dog management could reduce echinococcosis incidence in China.

SARS-CoV-2 is an emergent virus. Specifically how it will adapt to human hosts and populations with growing immunity is unknown. Coronaviruses acquire substitutions more slowly than other RNA viruses ...

Take this quiz to see how much you know about this topic already, then work through the guide and see if you can beat your score. Take a look at this number line. It shows 14 - 5 = 9. You can count ...

The authors used a Bayesian modeling framework to fit behavior and serotonin neuron activity to reward history across multiple timescales. A key goal was to distinguish value coding from other ...

The role of megafaunal exploitation in early human evolution remains debated. Occasional use of large carcasses by early hominins has been considered by some as opportunistic, possibly a fallback ...

Key Laboratory of Vegetation Ecology, Institute of Grassland Science, School of Life Science, Northeast Normal University, Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation ...

Learn how to use first, then and now stories to understand addition. First, then, now (subtraction) Learn how to use first, then and now stories to understand subtraction problems. Subtraction within ...