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

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In cooperation with its microbiome, the animal has genetic help in digesting blood and warding off pathogens.

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

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image: Researchers Produce Alpaca Antibodies Using Yeast

Researchers Produce Alpaca Antibodies Using Yeast

By Catherine Offord | February 14, 2018

With multiple applications in biomedicine, the antibodies can now be made quickly, cheaply, and without the need for an alpaca or one of its relatives.

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image: Book Excerpt from <em>How to Feed the World</em>

Book Excerpt from How to Feed the World

By Uris Baldos | February 12, 2018

In chapter 5, “The Technology Ticket,” contributing author Uris Baldos urges acceptance and investment in “precision agriculture” to provide for a burgeoning global population.

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image: Gene Expression Overlaps Among Psychiatric Disorders

Gene Expression Overlaps Among Psychiatric Disorders

By Ashley P. Taylor | February 8, 2018

Transcriptional profiling of post-mortem human brains reveals commonalities in the genes over- and under-expressed in schizophrenia, bipolar disorder, autism, and major depression. 

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Researchers develop a new technique to selectively activate neurons deep in the rodent brain, taking a step toward noninvasive brain stimulation for neurological disorders.

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Researchers find that while bats in the Myotis genus don’t produce telomerase, the enzyme that lengthens telomeres, they possess 21 telomere maintenance–related genes.

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image: Blind Cavefish in Mexico Offer Clues to Sleep Regulation

Blind Cavefish in Mexico Offer Clues to Sleep Regulation

By Catherine Offord | February 7, 2018

Two studies identify a signaling pathway that contributes to the fish’s sleeplessness.

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image: Contributors

Contributors

By Katarina Zimmer | February 1, 2018

Meet some of the people featured in the February 2018 issue of The Scientist.

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