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image: Cancers Relapse by Feeding Off Immune Signals

Cancers Relapse by Feeding Off Immune Signals

By Shawna Williams | October 16, 2017

In mice, the tumor cells are able to thwart the immune response that would kill them—but immunotherapy prevented the return of melanoma.

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image: Opinion: Microbiology Needs More Math

Opinion: Microbiology Needs More Math

By Mikhail Tikhonov | October 12, 2017

Empirical data and humans’ biased interpretations can only get so far in truly understanding life at the microscale.

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image: Cesarean Section Results in Heavier Mouse Pups

Cesarean Section Results in Heavier Mouse Pups

By Ashley Yeager | October 11, 2017

Vaginal birth leads to changes in the development of offsprings’ microbiomes not seen among mice born via C-section, which researchers suspect might contribute to the weight differences.

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image: Plague Ravaging Madagascar

Plague Ravaging Madagascar

By Kerry Grens | October 10, 2017

Nearly four dozen people have died.

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image: Gene Drive Limitations

Gene Drive Limitations

By Jef Akst | October 9, 2017

In lab populations of genetically engineered mosquitoes, mutations arose that blocked the gene drive’s spread and restored female fertility.

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image: Contributors

Contributors

By Aggie Mika | October 1, 2017

Meet some of the people featured in the October 2017 issue of The Scientist.

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image: Microglia Turnover in the Human Brain

Microglia Turnover in the Human Brain

By Shawna Williams | October 1, 2017

Researchers find that about a quarter of the immune cells are replaced every year.

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image: Infographic: Macrophages Around the Body

Infographic: Macrophages Around the Body

By Claire Asher | October 1, 2017

In addition to circulating in the blood as immune sentinels, macrophages play specialized roles in different organs around the body.

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image: Macrophages Are the Ultimate Multitaskers

Macrophages Are the Ultimate Multitaskers

By Claire Asher | October 1, 2017

From guiding branching neurons in the developing brain to maintaining a healthy heartbeat, there seems to be no job that the immune cells can’t tackle.

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image: In Canada, Signs of Life Nearly 4 Billion Years Old

In Canada, Signs of Life Nearly 4 Billion Years Old

By Ashley P. Taylor | September 28, 2017

Embedded within 3.95-billion-year-old rock, scientists have found graphite with a carbon signature that indicates biological activity.

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