Organic chemistry features a wide array of reactions for creating complex molecules, among which the Diels–Alder reaction ...

Earthworms often form a cluster, from which they can barely free themselves. A similarly active, writhing structure forms ...

Roundness is one of the most fundamental and universal shapes in nature and engineering. From the orbits of planets to the ...

Artificial organ transplants have been held back by the difficulty of making networks of blood vessels - a problem scientists ...

The present experiments tested the hypothesis that this process involves breaking the object into component shapes (primitives). This was tested by having human subjects explore shapes composed of ...