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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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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: Image of the Day: Memory Jogger

Image of the Day: Memory Jogger

By Sukanya Charuchandra | June 12, 2018

Scientists can livestream how the mouse brain’s hippocampus maps the physical world and accesses those memories.  

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image: Bees Appear Able to Comprehend the Concept of Zero

Bees Appear Able to Comprehend the Concept of Zero

By Ashley Yeager | June 7, 2018

The insects correctly ordered an absence of black dots as “less than” a group of black dots.

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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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The results suggest the virus could severely alter brain development in infants infected after birth, but blocking a signaling protein early on might ease certain symptoms.

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Researchers find that conserving marsupials on a predator-free island dampens their avoidance behaviors, which could mean trouble for their reintroduction to mainland Australia.

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Compared with their urban counterparts, babies and toddlers in rural Nigeria have gut microbiota that more closely resembles that of adults in their community.

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image: Cell Transplant Trial for Spinal Injury Is Safe

Cell Transplant Trial for Spinal Injury Is Safe

By Ruth Williams | June 1, 2018

The first human experiment with neural precursor cells implanted to treat chronic spinal cord injury suggests the procedure is safe, and hints at a small benefit.  

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