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After studying various species earlier this month, some scientists now say they understand the origin of animal behavior during solar eclipses.
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Federal officials and scientific experts say the virus detected in retail milk samples may be inactive and unable to cause an infection.
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A research lab in Flagstaff, Ariz., is trying to leverage a 1970s discovery into a safe and desirable alternative for men who want to prevent pregnancy.
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At issue is a clash between federal and state law about how pregnant women must be treated in the emergency room.
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Researchers have been able to reverse the effects of a syndrome that affects brain development in a brain organoid.
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The Supreme Court appeared sharply divided over its latest abortion case, which looks at whether a state may ban medical termination of a pregnancy if the woman's health, but not life, is in danger.
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The measure was included in a foreign aid package providing support to Ukraine and Israel. TikTok vowed to challenge the law in federal court.
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Surgeons transplanted a kidney and thymus gland from a gene-edited pig into a 54-year-old woman in an attempt to extend her life. It's the latest experimental use of animal organs in humans.
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Over the past few decades, psychologists have begun to understand how parents across many cultures teach their children to build deep, fulfilling relationships with their siblings.
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The new rules mean 4 out of 5 nursing homes will need more aides and nurses. Unions hailed the change, but advocates say it's not enough care, while nursing home owners say it's an "impossible task."