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image: Present-Day Arboreal Birds Have Ground-Dwelling Past

Present-Day Arboreal Birds Have Ground-Dwelling Past

By Sukanya Charuchandra | May 24, 2018

A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.  

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Researchers have been using ultrasound to control brain activity, but studies in mice and guinea pigs show it also stimulates the auditory system, presenting a confounder for direct neural stimulation.

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image: Deep Brain Stimulation Boosts Insulin Sensitivity

Deep Brain Stimulation Boosts Insulin Sensitivity

By Shawna Williams | May 24, 2018

One patient with diabetes was able to reduce his medication use while receiving targeted electrical pulses.

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image: What Made Human Brains So Big?

What Made Human Brains So Big?

By Ashley Yeager | May 24, 2018

Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.

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The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.

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image: Could a Dose of Sunshine Make You Smarter?

Could a Dose of Sunshine Make You Smarter?

By Ruth Williams | May 17, 2018

Moderate ultraviolet light exposure boosts the brainpower of mice thanks to increased production of the neurotransmitter glutamate.  

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image: Lizards’ Green Blood Evolved Four Times

Lizards’ Green Blood Evolved Four Times

By Kerry Grens | May 16, 2018

The uncommon hue is present in skinks that aren’t closely related, but the advantage of the odd trait remains anyone’s guess.  

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Researchers find a link between molecules released by commensal bacteria and the degree of inflammation in a mouse model of MS.

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Changes in gene activity levels after DBS appear to underlie improvements seen in a mouse model of Rett syndrome, a genetic disease that causes intellectual disability.

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image: “Minibrains” May Soon Include Neanderthal DNA

“Minibrains” May Soon Include Neanderthal DNA

By Ashley Yeager | May 14, 2018

Brain organoids engineered to carry the genetic material could reveal how our brains are similar to and different from those of our closest relatives.

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