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image: Sperm Shadows

Sperm Shadows

By Ruth Williams | January 1, 2013

Tracking the shadows cast by sperm reveals their precise 3-D movements.

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image: Microchannel Masterpiece

Microchannel Masterpiece

By Ruth Williams | December 1, 2012

A precision microfluidic system enables single-cell analysis of growth and division.

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image: Timing Turnover

Timing Turnover

By Kerry Grens | November 1, 2012

Two-tone fluorescent tags track the movement and life span of proteins within living cells.

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image: Live-Action Networks

Live-Action Networks

By Ruth Williams | October 1, 2012

Mass spec plus novel software equals dynamic views into the chemical lives of microbes.

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image: The Inside Scoop

The Inside Scoop

By Ruth Williams | September 1, 2012

Probing cells with nanometer-scale electrodes

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image: Milling Magic

Milling Magic

By Ruth Williams | August 1, 2012

Ion beams carve slices in frozen cells, giving biologists an interior view.

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image: Dynamic Delivery

Dynamic Delivery

By Ruth Williams | July 1, 2012

Microscopic sponges made entirely of RNA enable efficient gene silencing.

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image: Tracing the Ephemeral

Tracing the Ephemeral

By Hannah Waters | June 1, 2012

A novel reporter system can track the ever-changing levels of the plant signal auxin with great precision.

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image: Bubble Vision

Bubble Vision

By Edyta Zielinska | May 1, 2012

Turning a liability into an asset, cryo-electron microscopists exploit an artifact to probe protein structure.

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image: A Brighter Beacon

A Brighter Beacon

By Edyta Zielinska | April 1, 2012

A novel liquid laser set-up can detect single nucleotide mutations in a cancer gene.

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