Daniel and Kelly’s Extraordinary Universe

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!

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.

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!

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.

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!

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!

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!

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!

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.

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.