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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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image: Image of the Day: Landing Blows

Image of the Day: Landing Blows

By Sukanya Charuchandra | June 18, 2018

The smashing mantis shrimp is strategic in its attack on sea snails.  

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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: Africa’s Oldest Baobab Trees Are Dying Suddenly

Africa’s Oldest Baobab Trees Are Dying Suddenly

By Catherine Offord | June 12, 2018

Although more evidence is needed to pin down a cause, researchers suspect that climate change is to blame.

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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: 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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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: Dogs in Southern China Host Several Strains of Flu

Dogs in Southern China Host Several Strains of Flu

By Sukanya Charuchandra | June 6, 2018

They may be a prospective source for an influenza pandemic, researchers warn.  

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