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Why breast cancer treatments might work best just after your period
Breast cancer cells are more susceptible to chemotherapy at certain points in the menstrual cycle, new data in Nature suggests. Researchers studied the equivalent hormonal cycle in mice and found that during the oestrous phase, where progesterone levels are low, tumours are more susceptible to chemotherapy. The same effect was shown in humans in a small retrospective study. The team caution that a larger clinical trial would need to be conducted, but hope that this work could open up an, easy to implement, way to boost the effect of chemotherapy.
Research Article: Bornes et al.
News and Views: What is the best time of the month to treat breast cancer?
09:22 Research Highlights
How coffee changes your gut microbiota, and the first amber deposits found in Antarctica hint at an ancient rainforest.
Research Highlight: Do you drink coffee? Ask your gut
Research Highlight: Antarctica’s first known amber whispers of a vanished rainforest
11:47 Is human-level artificial intelligence close?
The latest AI system released by OpenAI, the makers of ChatGPT, is better able to break down problems into smaller chunks, making it closer to a human way of solving problems than other systems. This has reignited discussions about the likelihood of AIs achieving human-level intelligence. Although previously the realm of science fiction, researchers are now taking the idea of ‘artificial general intelligence’, or AGI, more seriously. Although this technology has the potential to help tackle humanity's biggest challenges, there are concerns about the safety of such technology if it were to become autonomous.
News Feature: How close is AI to human-level intelligence?
21:43 Briefing Chat
How making a bank of centenarians’ stem cells could help unlock the secrets of healthy ageing, and what some 1.5 million year old footprints reveal about how ancient hominin species may have interacted.
Nature: What’s the secret to living to 100? Centenarian stem cells could offer clues
Nature: These two ancient human relatives crossed paths 1.5 million years ago
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The probiotic bacteria engineered to treat diabetes
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Briefing Chat: Is DNA repair the secret to a long life? Whales and mole-rats offer tantalizing hints
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Briefing Chat: Orcas smashed a sunfish to bits — researchers aren't sure why
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Briefing Chat: Baby T. rex were killers from birth, suggest new fossils
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Briefing Chat: Sweet! Elusive sugar molecules found in space
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