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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: 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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image: In-Depth Look at the Human Microbiome

In-Depth Look at the Human Microbiome

By Jef Akst | September 20, 2017

Hundreds of samples from microbes living in the gut, skin, mouth, and vagina add to the human microbiome “fingerprint.” 

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image: Infection During Pregnancy Tied to Autism in Mouse Model

Infection During Pregnancy Tied to Autism in Mouse Model

By Kerry Grens | September 13, 2017

Bacterial strains in mice’s gut microbiomes mediated their pups’ risk for developing abnormal behaviors.

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image: Booger Bacteria’s Sweet Immune Suppression

Booger Bacteria’s Sweet Immune Suppression

By Ruth Williams | September 6, 2017

Sweet taste receptor-activating molecules produced by sinus microbes suppress the local innate immune system in humans.

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