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  1. Humans

    A child’s biological sex may not always be a random 50-50 chance

    Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.

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  2. Health & Medicine

    ‘Rehab’ exposes the dark underside of U.S. drug treatment centers

    In Rehab, journalist Shoshana Walter investigates the systemic pitfalls of drug treatment programs, which prevent people’s recovery from addiction.

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  3. Math puzzle: Can you meet me at the mall?

    Solve the math puzzle from our August 2025 issue, which takes you back to the time before cell phones.