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 ...

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

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

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 ...

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't be said when we're asked how many minutes are in 2.4 hours (it's 144).

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 ...

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 ...

ABSTRACT: Soils affected by salinity, which substantially limit agricultural productivity, are becoming an increasingly serious concern due to climate change and unsustainable land management ...

For each event, A, in S, the probability of event A, P(A), is a measure of the likelihood that the event will occur. Axioms are statements that are accepted without proof. The provide the foundation ...