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The Scientist

» weight, neuroscience, immunology and culture

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image: Male Fruit Flies Take Pleasure in Having Sex

Male Fruit Flies Take Pleasure in Having Sex

By Jim Daley | April 20, 2018

Sex-deprived males seek out alcohol.

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Genetic analyses uncover cellular hallmarks of bladder cancer tumors that don’t respond, but interfering with one of those characteristics in a mouse model causes tumors to shrink.  

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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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image: New Ovarian Cancer Vaccine Shows Promise

New Ovarian Cancer Vaccine Shows Promise

By Catherine Offord | April 12, 2018

A preliminary clinical trial finds that the personalized therapy improves survival rates and has no severe side-effects.

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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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image: Sweet Tooth Gene Tied to Less Body Fat

Sweet Tooth Gene Tied to Less Body Fat

By Kerry Grens | April 11, 2018

A study of more than 450,000 people finds a certain genetic variant associated with eating more carbs is linked to a thicker waist and higher blood pressure, but less fat.  

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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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image: Some Antibiotics Rev Up Host Immune Response to Viruses

Some Antibiotics Rev Up Host Immune Response to Viruses

By Shawna Williams | April 9, 2018

The antimicrobial drug neomycin protects mice from some viral infections, complicating the picture of the relationship between antibiotics and susceptibility to viruses.

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image: Opinion: We Have Been Naive About Naive T Cells

Opinion: We Have Been Naive About Naive T Cells

By Theo van den Broek, José A.M. Borghans, and Femke van Wijk | April 6, 2018

Human naive T cells are far more heterogeneous than has long been appreciated, having implications for vaccine strategies.

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