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Sperm sorting technique about 80% effective at choosing baby’s sex, study suggests | Science & Tech News
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A new technique to select a baby’s sex appears to be safe and about 80% effective, a study suggests. Researchers used a technique to separate sperm on whether they had an X chromosome (making female offspring) or a Y one (male offspring). Sperm with an X chromosome are slightly heavier than those with a Y,…
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Using any type of hormonal contraceptive could increase the risk of women getting breast cancer, new study suggests | Science & Tech News
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Women may face an increased breast cancer risk from taking any kind of hormonal contraceptive, a new study has found. Scientists say using progestogen-only hormonal contraceptives, including the oral ‘mini pill’, implant, injectable and intra-uterine device, is associated with a 20%-30% higher chance of developing the disease. Earlier research found that taking the combined contraceptive…
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Climate crisis may have triggered collapse of ancient Hittite empire, study suggests | Science & Tech News
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A three-year drought may have led to the collapse of the ancient Hittite civilisation in the Middle East 3,000 years ago, a study suggests. The Hittites, with their capital Hattusa situated in central Anatolia, were one of the ancient world’s great powers across five centuries. They became the main geopolitical rivals of ancient Egypt during…
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HRT could prevent Alzheimer’s disease in at-risk women, study suggests | Science & Tech News
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Hormone replacement therapy (HRT) could help prevent Alzheimer’s disease in women at risk of developing the condition, a study suggests. Researchers from East Anglia and Edinburgh universities said HRT, which helps control symptoms of the menopause, is associated with better memory, cognitive function and larger brain volume in later life in women carrying a gene…
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Dolphins ‘forced to shout’ over noise pollution which could threaten population levels, study suggests | Science & Tech News
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Dolphins shout at each other over increasing levels of underwater noise pollution, new research suggests. Sounds generated by humans may force the animals to make louder and less effective whistles, according to experts from the University of Bristol. Dolphins rely on echolocation to hunt and reproduce, meaning activities like drilling and shipping could affect the…
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Childhood flu vaccine may reduce Strep A risk, research suggests | Science & Tech News
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The childhood flu vaccine may also reduce the risk of Strep A infections, according to research by the UK Health Security Agency (UKHSA). The vaccine, which is given as a nasal spray, is offered to pre-school and primary school children each year. A new study compared rates of Streptococcus A in areas where all young…
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TikTok suggests eating disorder and self-harm content to new teen accounts within minutes, study finds | UK News
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A study into TikTok’s video recommendation algorithm has found it suggests eating disorder and self-harm content to some new teen accounts within minutes. Research from the Centre for Countering Digital Hate (CCDH) saw one account shown suicide content within 2.6 minutes, and another suggested eating disorder content within eight minutes. Further investigation by Sky News…
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Fertilisers confuse bumblebees, making them less likely to land on flowers, study suggests | Science & Tech News
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Bumblebees are less likely to pollinate flowers that have been sprayed with fertilisers or pesticides due to changes in the electrical field around the plants, a new study suggests. Flowers use a diverse range of cues to attract pollinators, including colour, sun, magnetic fields, odour, shape, texture, humidity and – recently discovered – static electrical…
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Uber drivers’ data could be used to stop bridges collapsing, study suggests | Science & Tech News
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Data collected on Uber drivers’ smartphones could help monitor bridges and stop them from collapsing, a new study suggests. Collecting drivers’ GPS location and acceleration data – both automatically recorded by ridesharing apps like Uber – give structural engineers key insights into a bridge’s health, according to the research. It would provide them with almost…
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Strict or harsh parenting could increase a child’s risk of depression later in life, study suggests | UK News
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Strict parenting could increase a child’s risk of depression later in life, according to new research. Scientists say that being manipulative or harsh towards a child can actually alter the way their body reads their DNA. Such changes can become “hardwired” to the DNA of a child who sees their parents as harsh, increasing their…