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In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.


In response to short DNA fragments, lymphocytes release mitochondrial DNA that helps trigger an immune response.


image: Eat Yourself to Live: Autophagy’s Role in Health and Disease

Eat Yourself to Live: Autophagy’s Role in Health and Disease

By Vikramjit Lahiri and Daniel J. Klionsky | March 1, 2018

New details of the molecular process by which our cells consume themselves point to therapeutic potential.

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image: Ten-Minute Sabbatical

Ten-Minute Sabbatical

By The Scientist Staff | March 1, 2018

Take a break from the bench to puzzle and peruse.


The elimination of the biting pests was an added bonus after researchers unleashed a rat-eradication endeavor on the tiny islands.  


The animal pictures and hand stencils were made in caves in Spain thousands of years before Homo sapiens arrived in Europe.


image: Stem Cell Vaccine Protects Mice From Cancer

Stem Cell Vaccine Protects Mice From Cancer

By Ruth Williams | February 15, 2018

Stem cells and cancer cells have enough molecular similarities that the former can be used to trigger immunity against the latter.

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Poecilia formosa, an all-female fish species, has a surprisingly robust genome. 

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The test uses levels of plasma amyloid-β to estimate the buildup of protein plaques in the brain.

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image: A Brush with Inheritance, 1878

A Brush with Inheritance, 1878

By Catherine Offord | February 1, 2018

Lampbrush chromosomes, first observed in the 19th century, still offer an unparalleled glimpse into how genetic information is organized in the cell.


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