Rotting food in landfills is a major contributor to climate change. Composting works differently. Here's the science behind composting and some great reasons to get started. TRANSCRIPT: https://quickanddirtytips.com/education/science/composting | Check out all the Quick and Dirty Tips shows: quickanddirtytips.com/podcasts JOIN THE CONVERSATION: Facebook: https://www.facebook.com/qdteinstein | Twitter: https://twitter.com/qdteinstein

On the "gravity train," you'd move really, really fast.

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No, you can't really "dig to China." But what if you could ride the so-called gravity train through the center of the Earth to the opposite side? How long would it take? TRANSCRIPT: https://quickanddirtytips.com/education/science/fall-through-earth | Check out all the Quick and Dirty Tips shows: quickanddirtytips.com/podcasts JOIN THE CONVERSATION: Facebook: https://www.facebook.com/qdteinstein | Twitter: https://twitter.com/qdteinstein

Is the flickering red giant star about to explode in a supernova?

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Betelgeuse, a massive star in the Orion constellation, is dimming. Could it be about to explode in a spectacular supernova? What would that look like here on Earth? TRANSCRIPT: https://quickanddirtytips.com/education/science/betelgeuse | Check out all the Quick and Dirty Tips shows: quickanddirtytips.com/podcasts JOIN THE CONVERSATION: Facebook: https://www.facebook.com/qdteinstein | Twitter: https://twitter.com/qdteinstein

Could you possibly find that one special person meant just for you?

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Whether you're seeking a soulmate or wondering whether your partner is The One this Valentine's Day, one thing's for sure—math isn't on your side. TRANSCRIPT: https://quickanddirtytips.com/education/science/soulmates | Check out all the Quick and Dirty Tips shows: quickanddirtytips.com/podcasts JOIN THE CONVERSATION: Facebook: https://www.facebook.com/qdteinstein | Twitter: https://twitter.com/qdteinstein