<em>NPSR1</em> Variant Linked to Less Sleep in People: Study
NPSR1 Variant Linked to Less Sleep in People: Study
“Short sleeper” mice engineered to have the same sequence in the gene sleep less but show the same performance on memory tests as animals that sleep a normal amount.
NPSR1 Variant Linked to Less Sleep in People: Study
NPSR1 Variant Linked to Less Sleep in People: Study

“Short sleeper” mice engineered to have the same sequence in the gene sleep less but show the same performance on memory tests as animals that sleep a normal amount.

“Short sleeper” mice engineered to have the same sequence in the gene sleep less but show the same performance on memory tests as animals that sleep a normal amount.

transcription factors, evolution, genetics & genomics, culture
Increased Neuronal Activity Shortens Lifespan in Animals
Increased Neuronal Activity Shortens Lifespan in Animals
Ruth Williams | Oct 16, 2019
Suppressing the natural age-related increase in neuronal excitation lengthens the lives of worms, and there are indications that the same may be true for mice and humans.
Sanger Institute Accused of Misusing African DNA Samples
Sanger Institute Accused of Misusing African DNA Samples
Kerry Grens | Oct 15, 2019
Whistleblowers allege the institute intended to commercialize a research tool based on the material, a violation of agreements with African scientists who collected the sequences.
Image of the Day: Stick and Leaf Insects
Image of the Day: Stick and Leaf Insects
Emily Makowski | Oct 15, 2019
The first phylogenomic tree of these insects shows their diversification occurred after they split into Old and New World groups.
Koala Immune Response to Genome-Inserting Retroviruses Identified
Koala Immune Response to Genome-Inserting Retroviruses Identified
Emily Makowski | Oct 11, 2019
Small RNAs called piRNAs provide a first line of defense against the viruses.
Unbalanced Chromosomal Inheritance More Common than Thought
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Jef Akst | Oct 11, 2019
A genomic analysis from 23andMe suggests that people inherit two copies of a chromosome from only one parent nearly twice as often as researchers had realized.
The Long Road to Edible Cottonseed
The Long Road to Edible Cottonseed
Shawna Williams | Oct 11, 2019
The FDA recently cleared the way for marketing of the genetically modified product. Texas A&M’s Keerti Rathore speaks with The Scientist about why and how it was developed.
Genome-Edited Hornless Cows&rsquo; Offspring Are Healthy: Study
Genome-Edited Hornless Cows’ Offspring Are Healthy: Study
Kerry Grens | Oct 9, 2019
All six calves inherited the gene for preventing horn growth, but four also got a piece of the plasmid used to introduce the sequence to their dad—complicating regulatory approval.
New Tools in the Works to Probe Adult Human Neurogenesis
New Tools in the Works to Probe Adult Human Neurogenesis
Ashley Yeager | Oct 7, 2019
Conflicting results on the existence of new neurons in adults have researchers designing new ways to identify and count neuronal progenitors—and finally get to the bottom of neurogenesis.
US Government Considers Collecting Detained Immigrants&rsquo; DNA
US Government Considers Collecting Detained Immigrants’ DNA
Ashley Yeager | Oct 3, 2019
The Department of Justice plans to require cheek swabs at the border, with the data then entered in a national criminal database.