

Daniel and Kelly’s Extraordinary Universe
iHeartPodcasts
Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth explanation of topics in science, from particles to black holes to moon colonies to ecosystems to parasites and everything else in the Universe!
Episodes
Mentioned books

Dec 25, 2025 • 47min
What's the densest thing in the Universe that's not a black hole?
Explore the fascinating competition between gravity and fusion as Daniel and Kelly discuss cosmic density. Discover how blue giants and neutron stars resist collapse, and learn about the quirky density trends of stars and planets. The duo delves into neutron stars and their unique structures, like nuclear pasta, showcasing the power of degeneracy pressure. Plus, they introduce Buchdahl's limit, questioning if anything could be denser than neutron stars without becoming a black hole. It's a thrilling journey into the densest corners of the universe!

10 snips
Dec 23, 2025 • 53min
Listener Questions #25
Curious about kissing bugs? Discover how they transmit Chagas disease and the challenges in treatment. Dive into solar physics as the hosts explain magnetic field lines and their importance on the Sun. Plus, learn about astronaut microbiomes and how they change in space, including the impacts of microgravity on microbes. The risks of contamination during space missions and the future of planetary protection are also discussed, making this a fascinating exploration of science's quirkiest corners.

18 snips
Dec 18, 2025 • 49min
How many rogue planets and stars are there?
Explore the mysterious world of rogue planets and stars, diving into how they form and get ejected from their systems. Discover the mechanisms behind star formation and the role of dark matter in creating galaxies. Learn about hypervelocity stars and how intergalactic supernovae occur. With billions of rogue planets likely existing in our galaxy, ponder the possibility of life thriving on these isolated worlds, fueled by geothermal heat. Join in on this fascinating cosmic journey!

43 snips
Dec 16, 2025 • 59min
How bad are microplastics?
Microplastics have infiltrated our lives since the 1950s, raising concerns about their effects on health and the environment. The hosts break down how these tiny plastics originate and persist, detailing their presence in human tissues and food chains. They delve into the toxic potential of microplastics and the mixed evidence surrounding harmful additives like phthalates. Listeners are offered practical steps to minimize exposure, while the discussion emphasizes the urgent need for further research into these pervasive particles.

6 snips
Dec 11, 2025 • 49min
Listener Questions #24
Curious about what would happen if Earth collided with Jupiter? The hosts explore the mind-boggling tidal forces and how Earth would be vaporized before even reaching the core. Switching gears, they dive into circadian rhythms, explaining how our internal clocks are regulated and the health risks of disruptions like jet lag. They also discuss how some animals thrive without sunlight, with fascinating studies on cavefish and deep-sea species. Get ready for a cosmic journey that connects the stars to our biological clocks!

13 snips
Dec 9, 2025 • 1h
How do we predict the weather?
Discover how physics shapes our daily weather predictions. Delve into the importance of forecasting for safety and planning. Hear personal anecdotes that highlight weather's impact. Learn about the balance of models and data required for accurate predictions. Explore the history of weather forecasting and how modern technology, including satellites and Doppler radar, revolutionized the field. Discuss the challenges of predicting extreme weather and the role of community weather stations. Uncover the future of forecasts with machine learning and improved ocean data.

Dec 4, 2025 • 1h 7min
How do we control mosquito populations?
Katrina Whiteson, a biologist and professor, joins the discussion to dive into mosquito biology and control methods. They explore how mosquitoes detect us through CO2, scents, and heat. Katrina explains innovative strategies like the sterile insect technique and Wolbachia, a bacteria that blocks viral replication. The conversation also touches on the implications of GMO releases and gene drives using CRISPR, alongside the ethical concerns and ecological risks involved. It's a fascinating look at the battle against these pesky bloodsuckers!

15 snips
Dec 2, 2025 • 56min
Listener Questions #23
Discover the fascinating world of fingerprints, where unique patterns stem from genetics and womb conditions. Delve into the shocking story of a particle beam accident that surprisingly transformed medical understandings. Explore the two types of tickling and their evolutionary mysteries, from alerting us to potential threats to fostering social bonds. Finally, unravel the enigma of yawning, examining its puzzling triggers and contagious nature across species. Join a conversation that leaves you curious for more!

20 snips
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!

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!


