A new force of nature?

Once upon a time (around 300 million years ago), Earth was home to massive dragonfly-like insects and two meter long millipede-like creatures. Why did they die off? Guests: Ned Snelling, professor of experimental physiology at the University of Pretoria; Jon Harrison, professor o ...  Show more

Five-sixths of all the matter in the universe is this invisible stuff called dark matter, and scientists barely understand what it is. So what happens if we can't answer arguably the biggest mystery in the universe? One physicist decided to quit because he started asking question ...  Show more

Can physicists discover new particles by watching how muons wiggle in magnetic fields?

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Hear how a recent discovery of the motions of galaxies is changing how cosmologists are thinking about our universe.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shalm ...  Show more

In a new experiment, researchers looked for tiny flickers in the fundamental constants of nature. Learn more about your ad choices. Visit podcastchoices.com/adchoices 

Physicists have ruled out a mundane explanation for the strange findings of an old Soviet experiment, leaving open the possibility that the results point to a new fundamental particle.

The post <a href="https://www.quantamagazine.org/what-could-explain-the-gallium-anomaly-2024 ...