The Scientist

» heart, evolution and immunology

Most Recent

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.

0 Comments

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.

0 Comments

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. 

4 Comments

Another case of HIV remission emerges, this time in a South African girl diagnosed as an infant and disease-free for more than eight years.

0 Comments

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

0 Comments

image: Mammalian Immunity: What’s RNAi Got to Do with It?

Mammalian Immunity: What’s RNAi Got to Do with It?

By | July 21, 2017

A new study adds to the evidence that mammalian cells can use small interfering RNAs to defend against viruses, but questions remain about physiological importance.

1 Comment

Using single-cell RNA sequencing, scientists characterize new populations of dendritic cells and monocytes.

0 Comments

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

0 Comments

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.

0 Comments

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.

1 Comment

Popular Now

  1. Major German Universities Cancel Elsevier Contracts
  2. Grass Routes
    Features Grass Routes

    Researchers are discovering a suite of new locations and functions of endocannabinoid receptors that play roles in sickness and in health.

  3. Studies Retracted After UCLA Investigation
  4. How Salvador Dalí’s Mustache Endured Death
AAAS