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image: Image of the Day: Sad Clownfish?

Image of the Day: Sad Clownfish?

By The Scientist Staff | April 19, 2018

Climate change is bleaching sea anemones, and it’s stressing out the clownfish that live in them.

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image: Ocean Heat Wave Wreaked Havoc on Great Barrier Reef

Ocean Heat Wave Wreaked Havoc on Great Barrier Reef

By Ashley Yeager | April 18, 2018

Not only did many corals die in recent years, but some were actually killed by the hotter temperatures themselves, rather than bleaching.

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image: Children With Malaria Smell More Attractive to Mosquitoes

Children With Malaria Smell More Attractive to Mosquitoes

By Shawna Williams | April 17, 2018

The parasite changes people’s scent, primarily due to an increase in aldehydes.

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A new report estimates that 95 percent of people live in areas with dangerously high levels of fine particulate matter such as dust and soot.

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The alterations have been greater under rapidly-climbing global temperatures, suggesting key ecological relationships could be disrupted in the future.

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image: Human Brain Organoids Thrive in Mouse Brains

Human Brain Organoids Thrive in Mouse Brains

By Ashley Yeager | April 16, 2018

After implantation, the tissue developed blood vessels and became integrated into neuronal networks in the animals’ brains.

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A new microscopy program requires no fluorescent markers to identify cell type, nuclei, and other characteristics.

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This is the first time the precise brain cells and their connections controlling a complex behavior have been worked out. 

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A proposed definition of the disease emphasizes signs of neurodegeneration and the presence of β-amyloid and tau, rather than cognitive symptoms.

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Researchers identified thousands of immature neurons in the brain region, countering a recent result showing little, if any, signs of neurogenesis.

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