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DNA Reveals That Silky Anteaters Are Seven Species

The silky anteater (Cyclopes didactylus) has previously been recognized to be a single species divided into several sub-species. But a new genetic analysis, published in the Zoological Journal of the Linnean Society, suggests that this enigmatic mammal is not one species, but seven separate ones. Lead author Dr. Flávia Miranda, a researcher with the Universidade Federal de Minas Gerais, Brazil, and…

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Google Has Released an AI Tool That Makes Sense of Your Genome

Almost 15 years after scientists first sequenced the human genome, making sense of the enormous amount of data that encodes human life remains a formidable challenge. But it is also precisely the sort of problem that machine learning excels at. On Monday, Google released a tool called DeepVariant that uses the latest AI techniques to build a more accurate picture of a…

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Everything Your Biology Teacher Told You About Earlobes Is Wrong

Most of us learned in high school biology that genetics can sometimes be incredibly simple. Some physical traits are the result of an easy equation containing a pair of parents’ genes. One trait—blue eyes, for example—results from recessive genes, but only if no dominant gene—the one to thank for brown eyes—shows up to take a stand. Parents each pass on two…

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Chimp Females Who Leave Home Postpone Parenthood

Wild chimpanzee females in western Tanzania who leave home or are orphaned take roughly three years longer to start a family. The researchers analyzed more than 50 years’ worth of daily records for 36 female chimps born in Gombe National Park. Stored in the Jane Goodall Institute Research Center at Duke University, the records are part of a larger database containing close…

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CRISPR-Carrying Nanoparticles Edit the Genome

In a new study, MIT researchers have developed nanoparticles that can deliver the CRISPR genome-editing system and specifically modify genes in mice. The team used nanoparticles to carry the CRISPR components, eliminating the need to use viruses for delivery. “What’s really exciting here is that we’ve shown you can make a nanoparticle that can be used to permanently and specifically edit…

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Twin Study Finds Genetics Affects Where Children Look, Shaping Mental Development

A new study co-led by Indiana University that tracked the eye movement of twins finds that genetics plays a strong role in how people attend to their environment. Conducted in collaboration with researchers from the Karolinska Institute in Sweden, the study offers a new angle on the emergence of differences between individuals and the integration of genetic and environmental factors in social,…

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