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Tags Y chromosome

Tag: Y chromosome

Stop calling it a choice: Biological factors drive homosexuality

Bill Sullivan, Indiana University Across cultures, 2% to 10% of people report having same-sex relations. In the U.S., 1% to 2.2% of women and men,...

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The secondhand smoke you’re breathing may have come from another state

Sebastian Eastham, Massachusetts Institute of Technology and Steven Barrett, Massachusetts Institute of Technology Scientists estimate that each year in the U.S., outdoor air pollution shortens...