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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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Researchers use base-editing to swap out an erroneous nucleotide responsible for a potentially life-threatening blood disorder.

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image: Image of the Day: Mitochondria, Live and in Color

Image of the Day: Mitochondria, Live and in Color

By The Scientist Staff | September 27, 2017

Mitochondria age differently depending upon whether they’re located in the liver, heart, or kidney, scientists find in flies and mice.

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image: Enormous University Gift Raises Questions over Donor Influence

Enormous University Gift Raises Questions over Donor Influence

By Ashley P. Taylor | September 26, 2017

The donation to the University of California, Irvine, is slated to fund a new college focusing on what some critics call pseudoscience and quackery.

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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: How Exercise Might Fight Cancer

How Exercise Might Fight Cancer

By Jef Akst | September 8, 2017

Epinephrine’s activation of the signaling pathway Hippo is responsible for the in vitro tumor-fighting effects of serum from women who worked out.

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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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image: An Immunological Timeline for Pregnancy

An Immunological Timeline for Pregnancy

By Catherine Offord | September 1, 2017

A new study uses blood samples from pregnant women to track changes in the immune system leading up to birth, and predicts gestational age from the mothers’ immune signatures.

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Exposure to the body’s humidity causes a film of the microbes to change shape, opening flaps in the garment to allow for increased airflow.

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