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 genetic code has given rise to the enormous diversity of proteins we see in nature—and rearranging the order of codons that make up a protein’s sequence leads to an immense variety of structure ...

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 ...