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Flower Power
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The idea that the universe is made of tiny vibrating strings was once the science theory du jour. String theory promised to unite the disparate theories describing particles and gravity, and many people, not just scientists, were optimistic that a theory of everything might be within our grasp. But here we are, many years later, and string theory doesn’t seem to have delivered on its initial promise. What happened? We consider the science around string theory in this episode of Skeptic Check.
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Fantastic-er Voyage
Thinking small can sometimes achieve big things. A new generation of diminutive robots can enter our bodies and deal with medical problems such as intestinal blockages. But do we really want them swimming inside us, even if they’re promising to help? You might change your mind when you hear what… Listen ⇢
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Skeptic Check: Project Hail Mary
As protagonist Ryland Grace fights to save Earth – and possibly the universe – in Project Hail Mary, author Andy Weir discusses the science behind his sci-fi story and what it’s like to see it adapted for the big screen. From a diversity of aliens thriving in extreme environments, to… Listen ⇢
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Skeptic Check: String Theory
The idea that the universe is made of tiny vibrating strings was once the science theory du jour. String theory promised to unite the disparate theories describing particles and gravity, and many people, not just scientists, were optimistic that a theory of everything might be within our grasp. But here… Listen ⇢
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Solar Good
In Brazil, leaders from across the globe are gathering for COP30, the premier climate summit in the world. For the first time, the U.S. is sitting it out, after exiting the Paris Agreement. There is, however, a ray of hope in the global efforts to reduce fossil fuel emissions. Bill… Listen ⇢
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Katrina and the River
“The Mississippi River will always have its own way; no engineering skill can persuade it to do otherwise,” said Mark Twain. In this, our final episode marking the 20th anniversary of Hurricane Katrina, we consider how efforts to control the Mighty Mississippi – a river engineered from its Minnesota headwaters… Listen ⇢
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The Decomposers
What happens to us after we die is as much a question for anthropology and ecology as it is for theology. Death and decay are not comfortable subjects, but some scientists study them unflinchingly, knowing that doing so yields valuable scientific insights about decomposition. We hear about The Body Farm… Listen ⇢
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Shipwrecks
Shipwrecks are scenes of tragedy, but they are also bits of history frozen in time that can provide insights into events and ideas from long ago. That is, if we can find them. From an 11th century Viking sailing ship to a WW II era British cargo ship with a… Listen ⇢
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Mad About Mars
Long before Orson Welles provoked a panic with his 1938 radio broadcast of a Martian invasion in War of the Worlds, we were fascinated with the possibility of life on the Red Planet. We may be a step closer to finding it after the Perseverance rover turned up tantalizing evidence… Listen ⇢
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Not Just a Phage
We’re hurtling towards a post-antibiotic world, as the overuse of antibiotics has given rise to dangerous drug-resistant bacteria. Can we fight back using viruses as weapons? An obscure medical therapy uses certain viruses called bacteriophages to treat infection. For a century attempts to turn phage-therapy into a life-saving treatment have… Listen ⇢
