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Quantum theory says a vacuum isn’t truly empty, but proving it directly has remained out of reach. A new experiment using immensely powerful lasers could finally expose its hidden structure – and perhaps offer clues to dark matter
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A stronger El Niño means more extreme weather, including droughts and wildfires in some places and flooding and tropical storms in others
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Alzheimer’s disease is the most common form of dementia, which leads people to become progressively more forgetful and confused. Follow our coverage of the possible causes and treatments for this prevalent condition.
Sustained heat stress is bad for our health and can be deadly. But we’re discovering that heat therapies like sauna, when used in the right way, have surprisingly wide-reaching benefits for health
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To gain the benefits of sleep, it was thought that the whole brain must switch off. But experiments suggest the right kind of rest can encourage our brain to improve memory and learning while we’re awake.
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Advances in therapeutic approaches, combinations and the use of technology are fundamentally changing the way we think about cancer care.
