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Poecilia formosa, an all-female fish species, has a surprisingly robust genome. 

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image: How Toxic is the World’s Most Popular Herbicide Roundup?

How Toxic is the World’s Most Popular Herbicide Roundup?

By Katarina Zimmer | February 7, 2018

Glyphosate, the active ingredient in Roundup, is designed to be toxic to plants, but scientists observe some untoward effects on animals in the lab. 

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image: Researchers Catalog Earth’s Microbiome

Researchers Catalog Earth’s Microbiome

By Katarina Zimmer | February 1, 2018

The new database includes data from 27,000 samples collected at sites ranging from Alaskan permafrost to the ocean floor.

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Puerto Rico’s Cayo Santiago has hosted decades of research in cognition, primatology, immunization, and other areas.

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image: California’s Owls Being Exposed to Rat Poison

California’s Owls Being Exposed to Rat Poison

By Catherine Offord | January 15, 2018

Researchers suspect the source of the toxins may be some of the state’s 50,000 or so marijuana farms.

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image: Rising Temperatures and the Elimination of Male Turtles

Rising Temperatures and the Elimination of Male Turtles

By Ruth Williams | January 10, 2018

The near-complete feminization of northern Great Barrier Reef sea turtles has been blamed on climate change.

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image: The Best Multimedia of 2017

The Best Multimedia of 2017

By Catherine Offord | December 27, 2017

Editors’ picks of the year’s best in The Scientist infographics.

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image: Those We Lost in 2017

Those We Lost in 2017

By Katarina Zimmer | December 27, 2017

The scientific community bid farewell to a number of luminaries this year. 

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image: The New Species of 2017

The New Species of 2017

By Jef Akst | December 27, 2017

A sampling of some of the fascinating critters identified by scientists this year

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image: Top 10 Retractions of 2017

Top 10 Retractions of 2017

By Retraction Watch | December 18, 2017

Making the list: a journal breaks a retraction record, Nobel laureates Do the Right Thing, and Seinfeld characters write a paper 

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