reproduction
- Science
Roe’s Fall Will Limit Screening for Fatal Congenital Conditions
Jennifer knew that her pregnancy at the age of 37 was fraught with risks—so she was all the more excited…
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Kenyan chameleons evolved brighter colours after moving to Hawaii
Chameleons introduced to Hawaii in 1972 have started flaunting brighter colours, probably because they have fewer predators to hide from…
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Australia Moves Ahead Cautiously With ‘3-Parent IVF’
Australia’s cautious approach is similar to that of the UK, where Parliament voted to legalize mitochondrial donation in 2015. There,…
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Brain regions linked to empathy bigger in monkeys with more friends
A study of free-ranging rhesus macaques found that those with more social partners had bigger brain areas involved in social…
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Fear of predators means sparrows struggle to raise chicks to adulthood
Sparrows on a collection of Canadian islands change their behaviour when they fear predators are nearby, and an experiment shows…
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What dolphins reveal about the evolution of the clitoris
By Jessica Hamzelou Bottlenose dolphins are “hypersexual creatures” imageBROKER / Alamy Stock Photo Patricia Brennan has forged a controversial career…
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Fairywren birds can nest out of breeding season to boost numbers
Purple-crowned fairywrens are more flexible in their breeding behaviour than we thought, which has helped the bird population to grow…
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More Companies Offer Fertility Benefits. It’s Only the Beginning
Nyasha Foy was at an alumni networking event in New York in 2016 when an older sorority sister asked if…
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Ewes prefer to mate with submissive rams when given a choice
By Christa Lesté-Lasserre A ram standing on a cliff in Scotland John Guidi/robertharding/Alamy When female sheep get the choice, they…
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A Genetic Curse, a Scared Mom, and the Quest to ‘Fix’ Embryos
Danielle Messer carried a mitochondrial mutation that left her son severely disabled. Before even daring another pregnancy, she tracked down…
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