Results tagged “Cell biology”

Membraneless compartments--models for a potential step in the early evolution of cells--have been shown to persist or form, disappear, and reform in predictable ways through multiple cycles of dehydration and rehydration.

Can scrambled eggs unscramble themselves? Well, sort of. The cytoplasm of ruptured Xenopus frog eggs spontaneously reorganizes into cell-like compartments, according to a study by researchers at the Stanford University School of Medicine.

Imagine standing in a lumberyard and being asked to build a house -- without blueprints or instructions of any kind.

Bringing Extinct Plants to Life

Jeff Benca is an admitted ueber-geek when it comes to prehistoric plants, so it was no surprise that, when he submitted a paper describing a new species of long-extinct lycopod for publication, he ditched the standard line drawing and insisted on a detailed and beautifully rendered color reconstruction of the plant. This piece earned the cover of March's centennial issue of the American Journal of Botany.

Organisms have increased in complexity through a series of major evolutionary transitions, in which formerly autonomous entities become parts of a novel higher-level entity.

« Previous  1  Next »