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The elimination of these glia in the mouse brain ameliorated the development of Parkinsonian neuropathologies induced by the pesticide toxin paraquat.  

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image: How Gaining and Losing Weight Affects the Body

How Gaining and Losing Weight Affects the Body

By Abby Olena | January 17, 2018

Millions of measurements from 23 people who consumed extra calories every day for a month reveal changes in proteins, metabolites, and gut microbiota that accompany shifts in body mass.

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image: California’s Owls Being Exposed to Rat Poison

California’s Owls Being Exposed to Rat Poison

By Catherine Offord | January 15, 2018

Researchers suspect the source of the toxins may be some of the state’s 50,000 or so marijuana farms.

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Scientists are beginning to unravel the ways in which we develop a healthy relationship with the bugs in our bodies.

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image: Rising Temperatures and the Elimination of Male Turtles

Rising Temperatures and the Elimination of Male Turtles

By Ruth Williams | January 10, 2018

The near-complete feminization of northern Great Barrier Reef sea turtles has been blamed on climate change.

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image: Image of the Day: See You Later!

Image of the Day: See You Later!

By The Scientist Staff | January 8, 2018

Developmental biologists take a close look at how alligator embryos grow. 

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image: CRISPR Proves Promising for Treating ALS in Mice

CRISPR Proves Promising for Treating ALS in Mice

By Katarina Zimmer | December 21, 2017

The gene-editing tool was effective in disabling a defective gene responsible for some forms of amyotrophic lateral sclerosis. 

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Upping a gene’s expression in rat brains made them better learners and normalized the activity of hundreds of other genes to resemble the brains of younger animals.

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Single-cell genome analyses reveal the amount of mutations a human brain cell will collect from its fetal beginnings until death.

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Water bears can reanimate after years of desiccation—and gel-forming proteins unique to the animals may explain how.

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