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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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The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story.

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A cardiovascular surgeon’s research was rejected for publication because it referenced evolutionary theory, Turkish outlets report, while the university at the center of the tumult claims the story is false. 

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Their waters served as refuges during ice ages, allowing for adaptation and the emergence of new species.

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The presence of similar light-emitting enzymes in the distantly related organisms lends new insight into bioluminescence evolution.

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image: Scientists Create See-Through Hearts

Scientists Create See-Through Hearts

By | July 13, 2017

A new tissue-clearing technique reveals blood vessel networks and collagen scaffolds of dog and human cardiac tissue.

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image: Neanderthal-Human Interbreeding Got an Early Start

Neanderthal-Human Interbreeding Got an Early Start

By | July 5, 2017

Mitochondrial DNA in Neanderthal bone suggests humans first left Africa earlier than previously thought.

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Students will not learn the theory in primary and secondary schools nationwide. 

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Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.

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The new fossils push the origin of the human species back by 100,000 years.

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