How to test whether we're living in a computer simulation

Physicists have long struggled to explain why the universe started out with conditions suitable for life to evolve. Why do the physical laws and constants take the very specific values that allow stars, planets and ultimately ...

'Swirlonic' super particles baffle physicists

In recent years, active, self-propelled particles have received growing interest amongst the scientific community. Examples of active particles and their systems are numerous and very diverse, ranging from bacterium films ...

Mechanisms responsible for tissue growth

In adult tissue, the number of cells in tissues and organs remains constant, and any new cells produced by cell division need to be compensated by the loss of other cells. In contrast, during postnatal growth, an excess of ...

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