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Politics

What changes if Democrats win a majority in Congress?

Americans head to the polls on Tuesday for the US midterm elections, which could flip the majority in one or both houses of Congress from the Republicans to the Democrats. What would a Democratic majority mean for the country's political landscape, and how might Democrats move to keep President Donald Trump in check?

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Science

A surprising vitamin A discovery is changing what scientists know about vision

Scientists at Johns Hopkins University have uncovered a surprising process that helps humans develop sharp vision before birth, challenging decades of assumptions about how the eye forms. Using miniature human retinas grown in the lab, researchers discovered that a vitamin A derivative and thyroid hormones work together to shape the foveola, the tiny region at the center of the retina responsible for our sharpest vision.

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Topic: what | RocksNews