SCIENCE
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Carl Sagan’s 9 timeless lessons for detecting baloney
Carl Sagan was one of the most prominent scientific figures of the 20th century, helping cofound the now-thriving field of…
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Starts With A Bang Podcast #126 — The origin of dust
This image shows the Pillars of Creation within the Eagle Nebula, as assembled by two entirely different data sets. On…
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Yes, JWST should take the deepest deep-field image ever
Many collaborations have used JWST to take deep-field images: some wider and some deeper than others. Here’s how it can…
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Ask Ethan: How much damage could a cosmic ray do to a human?
At the upper limits of what’s energetically possible, cosmic rays still persist. What happens if a human gets hit by…
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Dark matter’s “nightmare scenario” looks more likely than ever
Our great hope is that today’s indirect, astrophysical evidence will someday lead to successful direct detection. What if that’s… Continue…
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What the Universe looks like: from nearby to far away
Outer space begins just over 100 kilometers up, but what we can see extends for billions of light-years. Here’s what…
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Ask Ethan: Where are all the blueshifted galaxies?
Even in an expanding Universe, we expect both redshifted and blueshifted galaxies. But nearly every one we see is redshifted.…
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The most underappreciated achievement in theoretical physics
Many view the development of fringe, alternative theories as a useless waste of time. But when they can be tested,…
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Ask Ethan: Why do gravitational lenses make crosses, not rings?
Gravitational lenses arise when foreground masses and background light sources properly align. Einstein rings are rare, but crosses abound. Continue…
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New JWST lens survey: can it save the expanding Universe?
The VENUS survey isn’t about planets at all, but about finding multiply lensed supernovae. The ambition? To save the expanding…
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