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image: Cellular Pegs-in-Holes

Cellular Pegs-in-Holes

By | August 1, 2013

Cell-containing hydrogel shapes fit into a template to create an artificial tissue environment.

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image: Gene Silencing Is Golden

Gene Silencing Is Golden

By | August 1, 2013

A beginner’s how-to on RNAi screening in mammalian cells


image: Remaking Nature

Remaking Nature

By | August 1, 2013

Synthetic biologists need to work together with conservationists to understand the environmental consequences of this new technology.


image: Remodeling Myelin

Remodeling Myelin

By | August 1, 2013

New oligodendrocytes in the adult mouse brain appear to remodel existing myelin sheaths, which may fine-tune the speed of nerve impulses.


image: Sketching out Cell Theory, circa 1837

Sketching out Cell Theory, circa 1837

By | August 1, 2013

How a dinner-table conversation between two biologists led to the formulation of the theory that cells are the building blocks of all living organisms.


image: Smoke Detectors

Smoke Detectors

By | August 1, 2013

Ancient receptors in seeds bind a small molecule in smoke that promotes germination.

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image: Week in Review, July 22–26

Week in Review, July 22–26

By | July 26, 2013

Faux stem cells; X chromosome involved in sperm production; rewarding peer review; clues to flatworm regeneration; an ethereal glow signals death


image: A Wild Stem Cell Chase

A Wild Stem Cell Chase

By | July 24, 2013

A rigorous new study provides strong evidence that very small embryonic-like stem cells hypothesized to be found in mice and humans do not exist.

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image: Dying Worms Emit Ethereal Glow

Dying Worms Emit Ethereal Glow

By | July 24, 2013

A head-to-tail wave of blue fluorescence signals the death of a nematode worm.

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image: Gene Therapy Coming of Age?

Gene Therapy Coming of Age?

By | July 11, 2013

Using lentiviral vectors to replace mutated genes in blood stem cells, scientists successfully treat two rare diseases apparently without causing harmful side effects.


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