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Cross-linked news, and information resources about physics

The Mandela effect is a fascinating case study in the quirks of human memory, and for those who love thinking about how the mind works, it is perhaps even an example of the truth being stranger than fiction.

Entstehen ständig Kopien von uns? Eine zwar schon ältere, aber nach wie vor befremdliche und zugleich faszinierende Vorstellung. Peggy Grunwald hat eine Neuerscheinung zum Thema Quantenphysik gelesen. Und ist gefesselt.

Fossil hobbyists nev and sally. but at first, the quarry didn't look too promising. we were finding very small fragments of sea urchins, butjust tiny fragments, nothing really spectacular. when we got it home and cleaned it up, he was like, "oh my god, you've got to come and see this!" and it was this beautifuljurassic sea creature coming to lfe. they're amazing. just as if they were alive yesterday. with so many fossils here, the challenge is working out which ones to keep. the very best are now heading to the natural history museum. the team says it's the discovery of a lifetime. rebecca mor...

SCIENCEALERT STAFF As far as we currently know, there is a single expanding blob of spacetime speckled with trillions of galaxies - that's our Universe. If there are others, we have no compelling evidence for their existence.   That said, theories of cosmology, quantum physics, and the very philosophy of science have a few problems that could be solved if our blob of 'everything' wasn't, well, everything. That doesn't mean other universes  must exist. But what if they do? What is a universe? It should be a simple question to answer. But different areas of science will have subtly differen...