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

Life on the Ocean Surface

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Ten Minute Sabbatical

Crossword Puzzle

Illustration showing neuston&#39;s microhabitats

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Infographic showing where neuston reside.

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Close-up shot of sea surface with small waves

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Sampling of different neuston species alongside recovered plastic

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The Constellation of Creatures Inhabiting the Ocean Surface

Feature

Illustration showing where neuston reside

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Infographic: Neuston Drift Atop the World&rsquo;s Oceans

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The Portuguese man-of-war (Physalia physalis)

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This buoy barnacle (Dosima fascicularis)

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The violet sea snail (Janthina janthina)

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The by-the-wind sailor (Velella velella)

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Violet sea snail (Janthina janthina)

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Water skaters (genus Halobates) left, and 
their eggs (the orange specks glued to a piece of plastic in the image at right)

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Slideshow: Meet the Neuston, the Diverse Organisms Living at the Ocean&rsquo;s Surface

Slideshow

Chlamydia invades a host cell, forms a membrane-bound vacuole, or inclusion, and then modifies the protein composition of the structure&rsquo;s membrane. If immune cells detect Chlamydia before it forms the inclusion, they trigger T cells to produce interferon-&gamma; (IFN-&gamma;), a powerful cytokine. IFN-&gamma; activates the protein mysterin (also called RFN213), which attaches ubiquitin to the inclusion membrane, signaling the cell to destroy the inclusion&rsquo;s contents by dumping them into a lysosome (left). C. trachomatis produces GarD, a protein that integrates into the inclusion membrane itself and somehow prevents mysterin from attaching ubiquitin, allowing the bacterium to evade immune destruction while continuing to multiply and eventually bursting from the cell (right).

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How Chlamydia Guards Itself Against the Immune System

News

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Infographic: How Chlamydia Evades Immune Detection

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The genomes of giant viruses often appear far more complex than those of simpler viruses. This Tupanvirus, first discovered in 2018, has the most complete protein-building apparatus of any virus to date, capable of coding for roughly 1,400 proteins.

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Monir Moniruzzaman Studies the Secrets of Giant Viruses

Profile

Book cover of The Phantom God by John C. Wathey

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Opinion: Neuroscience Could Help Demystify Religious Experience

Article

A black-and-white photo of a person&rsquo;s hands holding a black-and-white barred chicken. The feathers of its breast have been pulled back to reveal a large tumor.

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Transmissible Tumors, 1909

Foundations

The myriad species floating atop the world’s seas are complicating efforts to clean up plastic pollution