Some strange mathematical sequences are always whole numbers — until they’re not. The puzzling patterns have revealed ties to graph theory and prime numbers, awing mathematicians. Simple, yes, but ...

Two examples of the same molecule represented in sequence, image and graph formats are provided for direct comparison. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The typical evolution of an HVAC system’s sequence of operation (SOO) entails the design engineer writing the narrative for inclusion in the design documents. The controls contractor will then include ...

Ali Hussain has a background that consists of a career in finance with large financial institutions and in journalism covering business. Thomas Barwick / Getty Images Sequence of returns risk, which ...