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image: Putative Gay Genes Identified, Questioned

Putative Gay Genes Identified, Questioned

By Jef Akst | December 7, 2017

A genomic interrogation of homosexuality turns up speculative links between genetic elements and sexual orientation, but researchers say the study is too small to be significant. 


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


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


image: The Biggest DNA Origami Structures Yet

The Biggest DNA Origami Structures Yet

By Abby Olena | December 6, 2017

Three new strategies for using DNA to generate large, self-assembling shapes create everything from a nanoscale teddy bear to a nanoscale Mona Lisa.


image: Microbes of the Human Tongue Form Organized Clusters

Microbes of the Human Tongue Form Organized Clusters

By Kerry Grens | December 5, 2017

Bacteria on the tongue’s surface reside in clumps distinguished by genus, unlike the intermingled communities observed in other tissues.

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Among this year’s winners are a geneticist who revealed how plants respond to shade and a group of physicists who mapped the universe’s background radiation.

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The Centers for Medicare and Medicaid Services propose covering the test with Medicare. 


image: Captivated by Chromosomes

Captivated by Chromosomes

By Anna Azvolinsky | December 1, 2017

Peering through a microscope since age 14, Joseph Gall, now 89, still sees wonder at the other end.


image: Cataloging Fungal Life in Antarctic Seas

Cataloging Fungal Life in Antarctic Seas

By Ignacio Amigo | December 1, 2017

Brazilian researchers report a relatively large diversity of fungi in marine ecosystems surrounding Antarctica, but warn that climate change could bring unpleasant surprises.


The Lawrence Berkeley National Laboratory researcher’s work will help predict how the Arctic is responding to climate change—and the global effects of those changes.


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