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What we can know about biology before the last universal common ancestor is limited—and we should be circumspect in filling in the gaps.

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Acute bouts of diarrhea could have lasting effects on the microbiota and host immune system activation, a mouse study suggests.

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image: Prominent Salk Institute Scientist Inder Verma Resigns

Prominent Salk Institute Scientist Inder Verma Resigns

By Sukanya Charuchandra | June 12, 2018

His decision came as an investigation into sexual harassment allegations against him was ongoing.  

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image: This Flu Season Killed 172 Kids

This Flu Season Killed 172 Kids

By Sukanya Charuchandra | June 11, 2018

Vaccination reduced the risk of death by two-thirds for children with no other health problems.  

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image: CRISPR Efficiency Tied to Cancer-Causing Process

CRISPR Efficiency Tied to Cancer-Causing Process

By Kerry Grens | June 11, 2018

Two studies find the genome-editing technique works best when cells have a faulty DNA-damage response that’s frequently present in cancers.  

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image: Organic Compounds Found in Martian Soil

Organic Compounds Found in Martian Soil

By Sukanya Charuchandra | June 11, 2018

Researchers also found seasonal variations in atmospheric methane on the planet that may have a geological or biological origin.  

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image: Image of the Day: Hirsute and How

Image of the Day: Hirsute and How

By Sukanya Charuchandra | June 11, 2018

A newly described species of shrimp, Odontonia bagginsi, has been named after Bilbo Baggins. 

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The receptors, found in so-called elite controllers who don’t need medications to keep the virus in check, suggest a new path toward immunotherapy.

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image: Image of the Day: Older and Wiser

Image of the Day: Older and Wiser

By Sukanya Charuchandra | June 8, 2018

As the years go by, seabirds such as gannets get better at foraging.  

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image: Blood Test Predicts Pregnancy Due Date

Blood Test Predicts Pregnancy Due Date

By Kerry Grens | June 7, 2018

A small study based on circulating RNA in the blood of moms-to-be describes a technique that could be used to help predict who’s most at risk of preterm labor.

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  1. Prominent Salk Institute Scientist Inder Verma Resigns
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  4. CRISPR Efficiency Tied to Cancer-Causing Process