Although this assumption may not be strictly correct, the relative homogeneity of sediment geochemistry in this area over the past 60 Myr (refs 21,22,23,24) means it has undergone considerably ...

Tissue morphogenesis requires the precise control of cell shape and cell dynamics. Cell shape is governed by cell mechanics, which explains how a set of intracellular and extracellular forces ...

What makes a shape symmetrical? Find out what makes a shape symmetrical. Positions, directions and turns Learn some words you can use to describe the position and movement of an object.