Changes in our environment can reveal previously hidden mutations in our DNA with potentially good and bad consequences.
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Articles on Genetic variation
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Why was one gene mutation that affects hair, teeth, sweat glands and breasts ubiquitous among ice age Arctic people? New research points to the advantage it provided for ancestors of Native Americans.
Comparing genomes of more than 200,000 people, researchers identified genetic variants that are less common in older people, suggesting natural selection continues to weed out disadvantageous traits.
Your genes, your saliva and the bacteria that live in your mouth all shape how food tastes and what you prefer to eat.
Scientists of all kinds turn to computer models to investigate questions they can't get at any other way. Here's how models work and why we can trust them.
Despite science refuting the existence of different human races, people have used "race" throughout history to divide and denigrate certain people while promoting their claims of superiority.
Top contributors
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Emeritus Professor, University of Cape Town
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Professor of Physics and Astronomy & Professor of Microbiology and Molecular Genetics, Michigan State University
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Research Group Leader and Food R&D policy leader, CSIRO
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Professor of Biological Sciences, Columbia University
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Ph.D. Student in Biological Sciences, Columbia University
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Adjunct Assistant Professor of Biological Sciences, Columbia University
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Lecturer in Molecular Genetics, University of Central Lancashire
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Professor of Integrative Biology, University of California, Berkeley
