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Gut bacteria in human intestines

Gut Check

Can scientists build a test to gauge disease risk by sampling the bugs in one’s gut?

Fluorescent microscope image shows dotted green rings against a black backdrop

Drop by Drop

Understanding cells’ liquid compartments could help mop up excess carbon

Blue gloved hands hold a preserved beige fish about one foot long with open mouth and blank eyes

History Lesson

Geneticists comb DNA of “survivor” fish for clues to withstanding climate change

Four images of fish shown side by side. Three are orange and eyeless while one, bottom right, is silver with eyes

Going to Extremes

Cavefish offer hints about adapting to rapid environmental changes

Colorized micrograph shows a magenta blob amid gray and beige blobs, with a green background

Success in Sight

Experimental gene therapy for vision loss condition shows promise in mice

physician examines an X-ray of the lungs

Late Detection

New research points to concerning delays in TB diagnoses in the United States

Cell colorized red-orange with spikes and tendrils against a black background

Different Strokes

New software advances ability to turn stem cells into other cell types