How to Like Bitter Flavors, Airplane Ticket Price Factors, and the Physics-Challenging Hubble Constant

Curiosity Weekly

Warner Bros. Discovery

Science

4.6 • 963 Ratings

🗓️ 20 November 2018

⏱️ 9 minutes

🔗️ Recording | iTunes | RSS

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Summary

Learn about how the universe’s rate of expansion could change our understand of physics; how the saliva in your body changes to enjoy bitter flavors; and the biggest factors that determine how much you pay for a flight, along with some tips on finding the cheapest airplane tickets.

In this podcast, Cody Gough and Ashley Hamer discuss the following stories from Curiosity.com to help you get smarter and learn something new in just a few minutes:

The Universe Is Expanding, But How Fast Is Up for Debate — https://curiosity.im/2DK9Xy5
Learning to Like Bitter Flavors Isn't Just in Your Head — It's in Your Saliva — https://curiosity.im/2DMsgTa
Tuesday Is No Longer the Best Day to Book a Flight — https://curiosity.im/2DMwDxE

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Full episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/how-to-like-bitter-flavors-airplane-ticket-price-factors-and-the-physics-challenging-hubble-constant

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Transcript

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0:00.0	Hi, we've got three stories from Curiosity.com to help it get smarter in just a few minutes. I'm
0:05.6	Cody Gough. And I'm Ashley Hamer. Today you learn about how the universe's rate of expansion
0:10.4	could change our understanding of physics, how your body changes to enjoy bitter
0:14.4	flavors, and the biggest factors that determine how much you pay for a flight.
0:19.0	Let's satisfy some curiosity on the award-winning Curiosity Daily.
0:23.2	The universe is expanding, but how fast it's expanding is a hot topic for scientists.
0:29.0	Almost a hundred years ago, astronomer Edwin Hubble discovered that the universe is expanding at a predictable rate, which has been
0:35.1	called the Hubble constant.
0:37.2	Some recent more precise measurements have sharpened his accuracy, but they may also
0:41.3	put our current understanding of physics in limbo.
0:44.0	And the reason you picked this story today Ashley is because the day this podcast is being released
0:48.0	would be Hubble's 129th birthday.
0:51.0	Happy birthday Hubble.. Happy birthday!
0:53.0	So before we talk about the new calculations, here's how Hubble came up with the Hubble
0:57.2	constant in the first place.
0:59.2	It all started with giant clouds of dust and gas in space called nebulae.
1:04.0	When astronomers found a nebulae, they didn't know how far away it was.
1:07.6	If you've ever wondered whether a light in the night sky is a satellite or a star, you know
1:11.7	how hard it is to tell the distance of things in space.
1:15.0	Well, in the early 1900s, Hubble found a way to calculate their distance.
1:19.4	That's when he realized that Nebulae weren't located in our own galaxy but way beyond it.
1:24.8	They existed as galaxies in their own right. Then Hubble compared distance
	...

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