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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.


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


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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image: Love in the Scientific Literature

Love in the Scientific Literature

By Cassandra Willyard | February 12, 2018

There are countless ways for scientists to say, “I love you.” Naming a slime-mold beetle after your wife (and another after your ex-wife) is, apparently, one of them.  


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

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image: Researchers Catalog Earth’s Microbiome

Researchers Catalog Earth’s Microbiome

By Katarina Zimmer | February 1, 2018

The new database includes data from 27,000 samples collected at sites ranging from Alaskan permafrost to the ocean floor.


Puerto Rico’s Cayo Santiago has hosted decades of research in cognition, primatology, immunization, and other areas.


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