All Episodes

January 18, 2021 54 mins

This week, Jillian has a lot of questions for theoretical physicist and mathematician Brian Greene:l Is the universe infinite? What is the most probable multiverse? Are there copies of us out there? What about the Fermi Paradox, are we alone? They tackle some of Jillian's other favorite topics as well, including parallel universes, The Double Slit Experiment, Quantum Mechanics, the nature of time, free will, alternate realities, black holes and so much more… 

Guest Link:

https://www.worldsciencefestival.com


Start your FREE 7 day trial for Jillian’s App at https://go.jillianmichaels.com/WNt1rL7uyZ

Send us your brief question at jillianpodcast@gmail.com

Follow us on Instagram @JillianMichaels and @MartiniCindy


This Week’s Sponsors:

TRUNIAGEN.com, promo code JILLIAN for $20 off a 3-month supply

SKILLSHARE.com/JILLIAN, for a free trial of Premium Membership

BROOKLINEN.com, promo code JILLIAN for $25 off orders over $100, + free shipping

THIRDLOVE.com/JILLIAN for 20% off your first order


You can find new episodes of Keeping It Real: Conversations with Jillian Michaels, completely ad free, on Wondery+ https://wondery.app.link/jillian


See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Mark as Played

Advertise With Us

Popular Podcasts

On Purpose with Jay Shetty

On Purpose with Jay Shetty

I’m Jay Shetty host of On Purpose the worlds #1 Mental Health podcast and I’m so grateful you found us. I started this podcast 5 years ago to invite you into conversations and workshops that are designed to help make you happier, healthier and more healed. I believe that when you (yes you) feel seen, heard and understood you’re able to deal with relationship struggles, work challenges and life’s ups and downs with more ease and grace. I interview experts, celebrities, thought leaders and athletes so that we can grow our mindset, build better habits and uncover a side of them we’ve never seen before. New episodes every Monday and Friday. Your support means the world to me and I don’t take it for granted — click the follow button and leave a review to help us spread the love with On Purpose. I can’t wait for you to listen to your first or 500th episode!

The Breakfast Club

The Breakfast Club

The World's Most Dangerous Morning Show, The Breakfast Club, With DJ Envy And Charlamagne Tha God!

The Joe Rogan Experience

The Joe Rogan Experience

The official podcast of comedian Joe Rogan.

Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2025 iHeartMedia, Inc.