Image of forensic scientist Mitchell Holland. In the background there is someone in a white jumpsuit standing in front of caution tape.

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Image of a forensic scientist holding a magnifying glass to DNA to reveal a DNA fingerprint.

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Image of a forensic scientist holding a magnifying glass to DNA to reveal a DNA fingerprint. 

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DNA Profiling: Tracing Killers and Solving Mysteries Using Genetic Clues

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Photo of Holowatyj wearing a white lab coat. She is sitting at a laboratory bench and pipetting a liquid from a falcon tube.

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Illustration of a young adult looking at their phone as they walk through an arrow that is pointing up. An illustration of a colon is in the background.

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Generation X and Millennials Face a Steep Rise in Early-Onset Colorectal Cancer Cases

A red male cardinal and a brownish female sit on a branch in front of a green background.

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A black and white image of Nettie Stevens wearing a high-necked dress and a large hat.

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Richel Meisel wears a red collared shirt and stands in front of a light background.

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A tank filled with small fish in the laboratory.

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Judith Mank and a handful of other researchers observe tanks of guppies in the laboratory.

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A small brown mouse with a white underbelly.

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An underwater image of a snorkeler over a coral reef.

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Sex Determination: It&rsquo;s in the Genes&mdash;Sometimes

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Scientists dive into the genomes of whales, elephants, and other animal giants looking for new weapons in the fight against cancer.

Peto's Paradox: How Gigantic Species  Evolved to Beat Cancer

A long-term study of nearly 800 patients demonstrated a strong safety profile for T cells engineered with viral vectors.

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Study Confirms Safety of Genetically Modified T Cells

TS Digest

Epigenetics in Evolution

Modified cover of Epigenetics in Evolution.

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Cartoon of a sea lion clapping at people.

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Ten Minute Sabbatical

Crossword Puzzle

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Opinion: The Problem with Researchers Hoarding Resources

News

A new study suggests that W. virgo hasn&rsquo;t suffered the sort of genetic deterioration that often plagues asexually reproducing species.

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When the sexually reproducing grasshopper species Warramaba whitei (left) and Warramaba flavolineata (right) mated around 250,000 years ago, they made Warramaba virgo (center), which has been cloning itself ever since.

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How a Grasshopper Gave Up Sex, Took Up Cloning

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A breeding program that started with two males and two females of Ecuador&rsquo;s longnose harlequin toad (Atelopus longirostris), once thought extinct, now has dozens of adults and hundreds of juveniles and tadpoles.

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Cartoon of a scientist trying to discover an extinct species.

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Botanists celebrate their discovery of what may be the world&rsquo;s last lateleaf oak tree (Quercus tardifolia).

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Fernanda, a Fernandina giant tortoise (Chelonoidis phantasticus), was identified in 2019, decades after her species supposedly went extinct.

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Fuzz on the underside of this leaf helped botanists identify the tree as a lateleaf oak (Quercus tardifolia).

When an Extinct Species Is Found Alive, What Happens Next?

Epigenetics and the genome infographic, the shaping mutation patterns graphic

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Epigenetics and the genome infographic, the new gene functions graphic

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Epigenetics and the genome infographic, the dampening mutation patterns graphic

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Epigenetics and the genome infographic, the triggering mutations graphic

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Do Epigenetic Changes Influence Evolution? 

Illustration from the epigenetics and the genome infographic

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Infographic: How Epigenetic Marks Can Change the Genome

Infographic

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Steve Ramirez Reshapes Memories in the Brains of Mice

Profile

In the 1920s, the Institute for Sexual Research in Berlin was a haven for queer people, many of whom came to the institute seeking to express their identities without fear of being imprisoned. This undated photo depicts a costume party at the institute; its founder, Magnus Hirschfeld (second from right, in glasses), can be seen holding hands with his partner, Karl Giese (center).

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A black and white photo of roughly a dozen people in costume

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Trans Medicine, 1919

Foundations

Researchers debate the influence of extragenomic processes on evolutionary change