Assessing the age of a living tree is straightforward enough—just extract a core from the tree's circular trunk and count the number of lines in the core formed by the tree's annual growth rings.

The ocean quahog (Arctica islandica) is a clam that redefines what it means to have a long lifespan. This species is famous for being one of the longest-lived animals on Earth, with individuals ...

But growth rings are not exclusive to trees ... It also needed to be a species where the growth increments are annual. Just ...

852 Since the resulting visual appearance resembles the annual growth rings of a tree trunk, such representations are referred to as rings. IEC 62977-2-1:2021 Electronic Displays – Part 2-1 ...