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The 20th-century Austrian-British philosopher Karl Popper believed that any theory that was not ‘falsifiable’ – capable of being tested and proven incorrect – should be dismissed as unscientific. He was particularly critical of Marxist theory, which he believed was constantly being revised by its adherents to account for its failed predictions, and therefore could not possibly be scientific. The falsification principle is a cornerstone of the modern scientific method, but some contemporary scientists, cosmologists and philosophers believe it might need to be revised as they investigate concepts such as string theory and the multiverse, which come up against the limits of what is testable – at least for now.
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Technology and the self
A filmmaker finds a tactile beauty in the creation of her prosthetic leg
11 minutes
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Knowledge
An Indigenous myth and a geological survey elicit two ways of knowing one place
4 minutes
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Biology
Beetles take flight at 6,000 frames per second in this perspective-shifting short
9 minutes
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War and peace
A war meteorologist’s riveting account of how the Allies averted a D-Day disaster
6 minutes
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Physics
What does it look like to hunt for dark matter? Scenes from one frontier in the search
7 minutes
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Neuroscience
Dog vision is a trendy topic, but what can we really know about how they see?
11 minutes
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Biology
An elegy for a dying microbe explores what we really mean by ‘death’
9 minutes
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Art
Creating art that was aware of itself – and the viewer – made Manet the first modernist
15 minutes
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Biotechnology
It’s our responsibility to engineer corals that can weather the world we’ve created
11 minutes