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Texas woman gives birth to rare set of twins conceived one week apart. How is this possible?This phenomenon is called "superfetation."
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Why can't babies drink cow's milk?Milk isn't the same across species. Here's the science of why babies shouldn't drink cow's milk until they're older.
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This brain structure may grow too fast in babies who develop autismThose with the fastest rate of growth of the amygdala had the most severe symptoms of autism.
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Do babies cry in the womb?Fetuses show preliminary facial expressions that look like cries starting around 24 to 35 weeks. These facial movements of crying are soundless and too subtle to be felt by the mother.
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What happens when a baby takes its first breath?Fetuses don't breathe oxygen in utero, so how do newly born babies figure it out?
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Why do primates carry around dead infants?In a new analysis, researchers compared hundreds of such cases across primate species.
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Baby born with 'twin' fetus inside her stomachThe condition occurs in about 1 in 500,000 births.
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Mother rejoices after her child's successful spina bifida surgery in the wombSpina bifida is a birth defect that affects the spine and brain.
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What if temperature determined a baby's sex?Temperature-dependent sex is found in certain reptiles and fish. Could it happen in humans?
