Spaceflight significantly impacts the human body, causing muscle and bone loss due to reduced gravity and fluid shifts ...

On March 2, 2016, at around 9 A.M. local time, in Kazakhstan, Scott Kelly plunged through the Earth’s atmosphere in a Soyuz spacecraft travelling at seventeen thousand miles an hour. As expected, ...

Cambridge researchers created miniature brain-and-spinal-cord systems in the lab that can send signals and even trigger tiny ...

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See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Artificial intelligence (AI) could within a matter of decades unlock ...

In a recent study published in the journal PNAS, researchers examined the relationship between cell size and count across the human body, establishing a quantitative framework and uncovering ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

The average body contains about 37 trillion cells – and we are in the midst of a revolutionary quest to understand what they all do. Unravelling this requires the expertise of scientists from all ...

Yvette Johnson, 54, sits next to a fan outside of her Houston home on June 10, 2022. For the third weekend in a row, large swaths of the United States have wilted under early-season heatwaves that ...