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The Biggest Known Galaxy Is 1.7 Million Light-Years, And We Can't Comprehend The Scale

Literally huge.
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There's a Link Between Women's Reproductive Health And Heart Disease Doctors Say We're Missing

Menopause may need to come with a heart check up.
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Huge US Study Shows Living Near Dry Cleaners Is Linked to Major Disease Risk

Where you live matters.
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This Week in Science: Highest Radiation Occupation, a Shooting Star, And More!

Our weekly science news roundup.
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Brain Scans Reveal a Striking Similarity Between Schizophrenia And Bipolar Disorder

The boundary between them is not always clear.
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