Articles on DNA

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As genes are favored or phased out, human evolution continues. ktsdesign/Shutterstock.com

Evolutionary geneticists spot natural selection happening now in people

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.
A young breast-cancer patient in her home. Fototip/Shutterstock

Is cancer just a question of ‘bad luck’?

Two US researchers have traced the majority of cancers to DNA replication errors during our natural cell replacement. Their finding asks for a renewed inquiry into the role of "chance" in cancer.
Using passive eDNA detection, we won’t have to wait until we see massive algae blooms to know lakes are struggling.

DNA barcodes — sci-fi tech to safeguard environment

By 2167, DNA barcoding scans will lead to weather-style "biodiversity forecasts," enabling us to more easily protect and care for the environment.

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