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Scientists now have a fairly thorough understanding of the event known as the Big Bang, but what, if anything, came before it? According Tim Maudlin, professor of philosophy at New York University, modern cosmologists must consider two possibilities: that the universe was born of out nothing, or that the Big Bang was preceded by ‘another state’. However, both possibilities – that time simply began, or that an infinite amount of time has elapsed – provoke discontent among scientists and philosophers, which leaves the door open for a range of competing theories.
Interviewer: Nigel Warburton
Producer: Kellen Quinn
Editor: Adam D’Arpino
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Ageing and death
Death is a trip – how new research links near-death and DMT experiences
9 minutes
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The environment
Photographs of rainforests dissolving in acid strike a beautiful note of warning
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Technology and the self
Adaptive technologies have helped Stephen Hawking, and many more, find their voice
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Ecology and environmental sciences
Experience the dazzling displays that fireflies create when humans are far away
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Stories and literature
Solaris and beyond – Stanisław Lem’s antidotes to the bores of American sci-fi
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Ecology and environmental sciences
To renew Yosemite, California should embrace a once-outlawed Indigenous practice
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Music
Before the Beatles dropped acid, a BBC workshop was creating far-out sounds
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Philosophy of language
For Ludwig Wittgenstein, language is a game, but not a frivolous one
43 minutes
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Biology
In the jungle of Suriname, Maria Sibylla Merian discovered insect metamorphosis
4 minutes