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long covid

Health

People are refusing transfusions from donors vaccinated against covid

Patients are requesting that blood transfusions come from people who they know have not been vaccinated against covid-19, which can cause dangerous delays

News

Health

Attacks from our immune system are a cause of long covid

News

Test your brain on these mind-bending scientific riddles

Mind

Test your brain on these mind-bending scientific riddles

Features

How 3 imaginary physics demons tore up the laws of nature

Physics

How 3 imaginary physics demons tore up the laws of nature

Features

Scientists inside a science base in the Moon conduct a variety of humorous experiments. We see a cat chasing after a giant laser beam; a scientist being eaten by a venus fly trap, a star falling through a Christmas tree as a scientist tries and fails to put it on top, a scientist going to a 'moonshine' bar, robots attending a seminar, a scientist trapping a human brain in a forcefield, and scientists stepping through portals. In the sky above the spaceship, Santa is being abducted by aliens.

Physics

Inside the wild experiments physicists would do with zero limits

Features

Cheerful mother and daughter tickling and playing at home on couch

Humans

What the evolution of tickling tells us about being human

Features

Why we only recently discovered space is dark not bright

Space

Why we only recently discovered space is dark not bright

Features

Did ancient humans start farming so they could drink more beer?

Humans

Did ancient humans start farming so they could drink more beer?

Features

Two hands holding three clams on a beach

Environment

The surprising longevity lessons from the world’s oldest animal

Features

Aurora Borealis dancing over Tromso Urban Skyline. Tromso Panorama and winter night landscape with Northern Lights (Aurora Polaris) on a cold night, with starry sky, polar lights and snowcapped mountains on Kvaloya Island in the background. Cityscape with Brightly Street Light of the Arctic Capital, Northern Norway

Earth

The audacious quest to light up the sky with artificial auroras

How a Finnish physicist named Karl Lemström once became obsessed with recreating the aurora borealis from scratch – and may have ended up creating something even more intriguing

Features

Mathematics

We’ve finally cracked how to make truly random numbers

Features

Life

What the family drama of interbreeding polar and grizzly bears reveals

Features

Mind

Too busy to meditate? Microdosing mindfulness has big health benefits

Features

Physics

Are we living in a simulation? This experiment could tell us

Features

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