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image: Spiders, Prey Leave DNA

Spiders, Prey Leave DNA

By | November 30, 2015

A study of black widow spiders suggests that the arachnids leave traces of their own genetic material and DNA from prey in their sticky webs.

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image: Allele Linked to Obesity in People

Allele Linked to Obesity in People

By | November 3, 2015

A single nucleotide polymorphism in BDNF is tied with lower levels of the protein and higher body-mass index.

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image: The Evolving Face of Obesity

The Evolving Face of Obesity

By | November 1, 2015

Researchers are striving to understand exactly what has made the global population get so fat so fast.

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image: Following FDA OK, 23andMe to Expand Health Prediction

Following FDA OK, 23andMe to Expand Health Prediction

By | October 21, 2015

The personal genomics firm is ramping up its suite of disease-related genetic tests.

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image: Buzzed Honeybees

Buzzed Honeybees

By | October 20, 2015

Caffeinated nectar makes bees more loyal to a food source, even when foraging there is suboptimal.

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image: Epigenetic Marks Tied to Homosexuality

Epigenetic Marks Tied to Homosexuality

By | October 8, 2015

In a small study of male twins, nine methylation sites helped researchers predict a person’s sexual orientation.

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image: One-Third of Cactus Species Threatened

One-Third of Cactus Species Threatened

By | October 6, 2015

A global assessment of declining cacti populations places responsibility on increasing human activities.

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image: Butterflies in Peril

Butterflies in Peril

By | August 12, 2015

Several recent studies point to serious—and mysterious—declines in butterfly numbers across the globe.

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image: Genomic Elements Reveal Human Diversity

Genomic Elements Reveal Human Diversity

By | August 6, 2015

Duplication of copy number variants may be the source of greatest diversity among people, researchers find.

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image: Mimicry Muses

Mimicry Muses

By | August 1, 2015

The animal world is full of clever solutions to bioengineering challenges.

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