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91色情片

Intensely grieving a loved one could shorten a mourner’s life

Feeling profound grief years after a loved one has died could affect our own longevity

Donald Trump displays a signed executive order at an AI summit

Technology

Why Trump’s order targeting ‘woke’ AI may be impossible to follow

Environment

Record marine heatwaves may signal a permanent shift in the oceans

Environment

Why a tech start-up wants to pump your faeces deep underground

Life

Thousands of seadragons are dying in Australia’s toxic algal bloom

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Our brain’s mitochondria may play a crucial role in the onset of sleep

Mind

The time you take an oral exam could affect whether you pass or fail

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Walking 7000 steps a day seems to be enough to keep us healthy

Life

Remarkable set of tracks suggests different dinosaurs herded together

Life

The secret to what makes colours pop on dazzling songbirds

Hidden layers of colour in the plumage of tanagers and some other songbirds explain what makes them so eye-catching

Space

A stunning, star-studded view of Earth

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Simple skincare routine could stop babies developing eczema

Humans

AI helps reconstruct damaged Latin inscriptions from the Roman Empire

Life

Spectacular Triassic reptile had an early kind of feathers