Daniel and Kelly’s Extraordinary Universe

iHeartPodcasts
undefined
Nov 27, 2025 • 52min

The physics of shadows

Explore the fascinating physics of shadows as the hosts dive into whether they can move faster than light. Discover the secrets behind overlapping penumbras and the mysterious 'shadow blister' effect. Learn about lunar shadows and Eratosthenes' ingenious method to estimate Earth's circumference. Delve into the colorful world of multi-color shadows and the unique effects of light under water. Finally, unravel the phenomenon of shadow bands during solar eclipses and their connection to diffraction. Shadows reveal a universe of wonders!
undefined
Nov 26, 2025 • 1h 3min

Introducing : Inner Cosmos with Host David Eagleman and Guest Daniel Whiteson

In this fascinating discussion, guest Daniel Whiteson, a particle physicist and author, teams up with neuroscientist David Eagleman to explore the intersection of brain function and universal science. They ponder whether physics is a universal language or shaped by perception, diving into the intricacies of mathematics as a human tool. The duo also discusses how different alien senses might create unique scientific narratives, the implications of AI on discovery, and the potential cultural convergence of science across civilizations. Prepare for mind-bending hypotheticals about alien communication!
undefined
24 snips
Nov 25, 2025 • 1h 4min

How long have we been human? (featuring Dr. Scott Solomon)

Daniel and Kelly chat with Dr. Scott Solomon about ancient hominid species, and how we learn about them.See omnystudio.com/listener for privacy information.
undefined
8 snips
Nov 20, 2025 • 52min

Listener Questions #22

Dive into the cosmos as the hosts unravel the mysteries of the newly discovered Atlas comet and debate its origins—is it alien or just a natural wonder? They explore the latest telescope findings and the intriguing question of whether interstellar comets could carry life to Earth. Shifting gears, discover the fascinating lifecycle of the jewel wasp, its unique hunting methods, and how it masterfully manipulates cockroaches. Plus, gain insight into the nature of scientific theories and why evolution stands strong as a predictive force in science.
undefined
Nov 18, 2025 • 49min

Can we engineer the sun?

The hosts delve into the looming threat of the Sun’s demise and its impact on Earth. They explore stellar dynamics like helium accumulation and the potential for our planet to either drift away or be engulfed. Can we engineer Earth's orbit? Star lifting is introduced as a method to extend the Sun's life, along with innovative techniques such as boosting solar wind with mirrors. However, they caution about the risks and ethical implications of such ambitious engineering challenges. A captivating blend of science and speculation!
undefined
8 snips
Nov 13, 2025 • 54min

How to make sense of quantum entanglement

Dive into the perplexing world of quantum entanglement with Daniel and Kelly! They dissect true quantum randomness versus classical chaos and explore the philosophical implications of quantum determinism. Discover how entangled particles share correlated possibilities and the challenges in testing randomness. Bell's insights on hidden variables versus quantum predictions raise eyebrows while Heisenberg's uncertainty principle adds depth. They also confront the mysteries of observation and randomness loopholes, concluding that quantum indeterminacy is indeed a fundamental aspect of reality.
undefined
15 snips
Nov 11, 2025 • 48min

How do parasites evade our immune system? (featuring Dr. John Hawdon)

Join Dr. John Hawdon, a leading parasitologist, as he dives into the intriguing world of parasites like hookworms and malaria. He reveals how these creatures evade our immune systems with clever tactics, such as camouflaging themselves and manipulating host defenses. Hear about the complex life cycles of schistosomes and malaria, the challenges in creating effective vaccines, and the surprising links between sanitation and parasite control. This enlightening conversation sheds light on the hidden battles happening within our bodies.
undefined
8 snips
Nov 6, 2025 • 56min

Listener Questions #21 featuring Cat Bohannan

Kat Bohannon, author of 'Eve' and a researcher on reproduction and evolution, joins the discussion. She dives into whether gestation can be shortened and the potential of external wombs for reproduction. Bohannon explains why human infants are so helpless at birth and discusses the concept of superhuman strength linked to adrenaline and pain suppression. Intriguingly, she also reveals how viruses may have played a role in our evolution, highlighting their unexpected benefits. Her insights challenge conventional views on reproduction and biology.
undefined
Nov 4, 2025 • 1h 6min

Do Aliens Speak Physics, with Andy Warner

Join nonfiction cartoonist Andy Warner, co-author of Do Aliens Speak Physics, as he dives into the mind-bending concept of communicating with extraterrestrials. He shares his artistic journey of translating complex scientific ideas into engaging comics. The discussion touches on whether aliens would practice science, the role of curiosity in technological advancement, and the challenges of sharing knowledge with beings from different worlds. Plus, they ponder if mathematical concepts are universal and how diverse human traditions shape scientific discoveries.
undefined
Oct 30, 2025 • 1h

How was the polio vaccine developed?

Explore the gripping tale of how the polio vaccine was developed, from the fears of parents in the 1940s to ethical dilemmas surrounding human testing. Discover Franklin D. Roosevelt's pivotal role in funding research and the dramatic debates between killed and live vaccines. Learn about early trials marred by tragic mistakes and the subsequent regulatory reforms after the Cutter incident. The conversation also traverses Salk's decision against patenting his breakthrough and the global rollout of Sabin's oral vaccine, shedding light on trust and transparency in science.

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app