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Why does COVID-19 cause brain fog?  Scientists may finally have an answer.

Why does COVID-19 cause brain fog? Scientists may finally have an answer.

When scientists at the Karolinska Institute in Sweden infected brain organoids – pinhead-sized pieces of brain tissue grown in the lab – with the virus that causes COVID, they found it accelerated the destruction of connections between neurons called synapses. The finding adds to the growing understanding of how SARS-CoV-2 enters the central nervous system …

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What is the best design for a splash-free urinal?  Physics now has the answer

What is the best design for a splash-free urinal? Physics now has the answer

Enlarge / Can you spot the urinal design with the optimal splash reduction angle? It’s the second from the right. Mia Shi/University of Waterloo Scientists at the University of Waterloo have determined the optimal design for a splash-free urinal: a tall, slender porcelain structure with curves reminiscent of a nautilus shell, playfully dubbed the “Nauti-loo.” …

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