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Rather than getting a gene for its original function, a horizontal gene transfer provides the raw material for evolutionary innovation.

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Drug-free environments, such as a designated ward in a hospital, might reduce the strength of selection for resistance.

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Republican politicians have been trying to limit data to only those publicly available, but opponents say that would neglect private, yet important, information.

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image: Jim Bridenstine Confirmed to Lead NASA

Jim Bridenstine Confirmed to Lead NASA

By Kerry Grens | April 19, 2018

The US Senate narrowly approved the politician, who does not have a science background.

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image: Free Divers From Southeast Asia Evolved Bigger Spleens

Free Divers From Southeast Asia Evolved Bigger Spleens

By Anna Azvolinsky | April 19, 2018

The adaptation gives better endurance to the Bajau people, known as sea nomads, by increasing spleen size and, in turn, boosting the number of oxygenated red blood cells when diving.  

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image: How Kidney Cancer Evolves

How Kidney Cancer Evolves

By Jim Daley | April 18, 2018

Renal cell carcinoma tumors have three different evolutionary fates, each associated with specific clinical outcomes.

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image: The Second March for Science a Smaller Affair

The Second March for Science a Smaller Affair

By Shawna Williams, Ashley Yeager, and Jim Daley | April 14, 2018

Many cities around the globe, including Washington, DC, saw shrunken crowd sizes, and numerous events turned into rallies rather than processions.

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image: Scenes from the 2018 March for Science

Scenes from the 2018 March for Science

By Shawna Williams, Ashley Yeager, and Jim Daley | April 14, 2018

“I'm not a mad scientist. I'm absolutely furious.”

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image: Estonia Offers Free Genetic Testing to Residents

Estonia Offers Free Genetic Testing to Residents

By Diana Kwon | April 13, 2018

The nationwide experiment will initially include around 100,000 volunteers.

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Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.

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