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Heart’s Backup Pacemaker Mechanisms Identified
Diana Kwon | Jul 28, 2017
The sinoatrial node is home to multiple pacemakers that keep the heart beating if the main one falters.
Ashley P. Taylor | May 23, 2017
Scientists have identified 40 new genes linked to human intelligence.
The Human Virome
Eric Delwart | Oct 31, 2016
Diverse viruses can be found commingling with human and bacteria cells in and on people’s bodies. Scientists are just beginning to understand how these viruses help and when they can turn pathogenic.
Bigger-Brained Species Have Longer Yawns
Kerry Grens | Oct 5, 2016
Yawn duration also correlates with the number of cortical neurons, according to a study.
Jenny Rood | Feb 20, 2015
Researchers identify a human DNA element that spurs neurogenesis and brain growth when placed in mice.
The Surprising Evolution of Sex Determination
Rina Shaikh-Lesko | Apr 23, 2014
A detailed analysis of sex chromosomes finds unexpected evolution of functional Y chromosome genes across species.
The Nose Knows
Rina Shaikh-Lesko | Mar 25, 2014
The human nose can differentiate more than a trillion odors, a study finds.
Another Obesity-Associated Gene
Rina Shaikh-Lesko | Mar 13, 2014
Researchers find a new gene connected to obesity in a surprising part of the genome.
Rina Shaikh-Lesko | Mar 12, 2014
Elephants are able to tell human voices apart based on cues for age, sex, and ethnic group.
High Protein, High Risk?
Rina Shaikh-Lesko | Mar 6, 2014
Low-protein diets are linked to longer life spans in mice and humans.