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Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

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image: More Details on How Pesticides Harm Bees

More Details on How Pesticides Harm Bees

By | May 3, 2017

Scientists report that thiamethoxam exposure impairs bumblebees’ reproduction and honey bees’ ability to fly.

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image: Polio Vaccine Pioneer Dies

Polio Vaccine Pioneer Dies

By | May 2, 2017

Julius Youngner collaborated with Jonas Salk on the polio vaccine, and later identified interferon gamma and contributed to an equine influenza vaccine.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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image: <em>The Scientist</em> at the March for Science in Washington, DC: April 22, 2017

The Scientist at the March for Science in Washington, DC: April 22, 2017

By and | April 23, 2017

Thousands of scientists and science supporters marched from the Washington Monument to the US Capitol this weekend.

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image: Science March Sights and Signs

Science March Sights and Signs

By , , , and | April 22, 2017

Thousands of people around the world gathered to show support for science today. Here’s a sampling of sights and signs from the Marches for Science in Berlin, Chicago, and Washington, DC.

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image: TS Picks: April 20, 2017

TS Picks: April 20, 2017

By | April 20, 2017

March for Science edition

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