Navigate Select ESC Close

Foundations & Mysteries of Modern Cosmology | Brian Greene & Matias Zaldarriaga

2025-07-11 Science & Technology
62.0k
974
85

Unlock all features

FREE: Get instant access to 10 AI summaries, chats, or transcripts per day.

Description

Leading cosmologist Matias Zaldarriaga joins Brian Greene to explore the stunning insights -- and the remaining mysteries -- of modern cosmological thought. This program is part of the Big Ideas series, supported by the John Templeton Foundation. Participant: Moderator: Brian Greene 0:00:00 - Introduction 0:01:31 - Early Life & Inspirations 0:04:03 - CMB Breakthroughs in the 1990s 0:06:06 - CMBfast and Open Source Impact 0:09:10 - How CMB Redefined Cosmology 0:12:09 - Theory vs. Observation in Physics 0:15:04 - The Inflation Debate 0:20:21 - The Multiverse & Scientific Boundaries 0:24:26 - Gravitational Waves & Cosmic Clues 0:27:39 - The BICEP2 False Alarm 0:33:40 - The Hubble Tension Explained 0:41:49 - From CMB to Gravitational Wave Physics 0:55:29 - Pulsar Timing Arrays & the Cosmic Hum 1:11:26 - AI and the Future of Cosmology VISIT our Website: http://www.worldsciencefestival.com FOLLOW us on Social Media: Facebook: / worldsciencefestival Twitter: / worldscifest Instagram: https://www.instagram.com/worldscifest/ TikTok: https://www.tiktok.com/@worldscifest LinkedIn: https://www.linkedin.com/company/world-science-festival #worldsciencefestival #briangreene #cosmology #astrophysics

Top Comments (10)

@tiberiusgracchus4222 2025-07-11

It's just nice these days to hear smart people have a casual conversation about literally anything. It's a welcome distraction from the absurdity of public discourse.

48 1 replies
@-tarificpromo-7196 2025-07-12

Brian Greene, the epitome of the era’s physics communication.

12
@Moudabo 2025-07-12

It's amazing how many people's lives were impacted by the great Carl Sagan, through Cosmos and his other work. I'm glad Prof. Matias was one such person, and now we get to hear his insights and learn about his contributions. Thanks for another interesting discussion, Brian.

10
@phillipdyson2689 2025-07-12

What a beautiful man, thank you Sir for your contribution to science.

5
@JFarazf 2025-09-08

Impressed by the honesty of this gentleman! Good to see a scientist not hyping speculative ideas! Thank you 🙏

2
@helisoma 2025-07-13

@2:40 same for me...Carl Sagan through watching Cosmos when it aired was THE inspiration for me to be a scientist and even a love of life and nature and philosophy ....i ended up doing a PhD in neuroscience which relies on a lot of physics as far as the biological sciences are concerned so i found a good blend 😌🤗

2
@Scifiape 2025-07-13

Re Primordial gravitational waveform interpretation; Tall poppy syndrome is alive and thriving in science. This is a good thing.

2
@my-trivia-adventure-en 2026-05-03

I am outraged by the low engagement here: only 1k likes on an 9-month-old video for a channel with 1.4M subscribers! I suspect Professor Greene is too much of a gentleman to constantly beg for likes and subs, but this level of insight deserves so much more traction. Let's boost this, people! We should be showing more appreciation for content this deep or we may lose it! (03.05.2026)

1
@tatotato85 2025-07-13

Understood more than what i was expecting

1
@alejandroestebanclark3980 2025-11-07

Muchas gracias por tu compromiso con la ciencia Matías, Sos una inspiración para muchos pibes.

0

Unlock the Data Inside
Turn Videos into Knowledge

  • Get FREE 10/day: transcripts, summaries, chats
  • Chat with videos, export text & PDF
  • $1 free API credit for RAG, chatbots & research

Free forever plan • All features unlocked

App screenshot