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image: Human Species May Be Much Older Than Previously Thought

Human Species May Be Much Older Than Previously Thought

By | September 29, 2017

From DNA evidence, researchers estimate the split from other species took place between 260,000 and 350,000 years ago.

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image: Heart’s Backup Pacemaker Mechanisms Identified

Heart’s Backup Pacemaker Mechanisms Identified

By | July 28, 2017

The sinoatrial node is home to multiple pacemakers that keep the heart beating if the main one falters.

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image: Smarty Genes

Smarty Genes

By | May 23, 2017

Scientists have identified 40 new genes linked to human intelligence.

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image: The Human Virome

The Human Virome

By | November 1, 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.

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image: Bigger-Brained Species Have Longer Yawns

Bigger-Brained Species Have Longer Yawns

By | October 5, 2016

Yawn duration also correlates with the number of cortical neurons, according to a study.

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image: Bigger Brains

Bigger Brains

By | February 20, 2015

Researchers identify a human DNA element that spurs neurogenesis and brain growth when placed in mice.

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image: The Surprising Evolution of Sex Determination

The Surprising Evolution of Sex Determination

By | April 23, 2014

A detailed analysis of sex chromosomes finds unexpected evolution of functional Y chromosome genes across species.

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image: The Nose Knows

The Nose Knows

By | March 25, 2014

The human nose can differentiate more than a trillion odors, a study finds.

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image: Another Obesity-Associated Gene

Another Obesity-Associated Gene

By | March 13, 2014

Researchers find a new gene connected to obesity in a surprising part of the genome.

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image: Discerning Elephants

Discerning Elephants

By | March 12, 2014

Elephants are able to tell human voices apart based on cues for age, sex, and ethnic group.

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