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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: Gigantic “Tree Lobsters” Not Extinct After All

Gigantic “Tree Lobsters” Not Extinct After All

By Catherine Offord | October 9, 2017

Researchers identify the Lord Howe Island stick insect on the remains of a large volcano in the Tasman Sea between Australia and New Zealand.

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image: Image of the Day: A Shrimp and a Cockroach

Image of the Day: A Shrimp and a Cockroach

By The Scientist Staff | October 2, 2017

In the mantis shrimp brain, scientists uncover mushroom bodies—learning and memory structures typically found in the brains of insects. 

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Researchers explore genetic engineering to produce super-tough fibers.

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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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