

CrowdScience
BBC World Service
We take your questions about life, Earth and the universe to researchers hunting for answers at the frontiers of knowledge.
Episodes
Mentioned books

Jan 5, 2024 • 28min
Will electric cars help solve noise pollution?
Exploring the impact of noise pollution in cities like Mumbai, the podcast discusses the transition to electric vehicles as a solution. Comparing internal combustion engines to electric cars, it highlights the noise reduction benefits. However, it also addresses the need for changes in human behavior to effectively tackle noise pollution.

Dec 29, 2023 • 27min
2023 Year End Extravaganza, Part 2
Revisiting the best stories of the year, the podcast explores the fascinating world of microbiomes and their impact on our lives. From a kiss-o-meter that measures microbial exchange during kissing to the global connection among surfers through skin microbes, the podcast takes a deep dive into the microbiome. It also explores the connection between humans and the sea, discusses New Year's resolutions, and delves into stories of indigenous astronomy and their understanding of the night sky.

Dec 22, 2023 • 36min
2023 Year-End Extravaganza, Part 1
This festive episode celebrates the past year of answering listener questions, including topics like panic attacks and the weight of the internet. The host interviews Tim about his new book on board games and the evolutionary reasons behind panic attacks. The impact of noise pollution and the role of electric vehicles are explored, along with Marie's hope for answers regarding her memory condition. The challenges of AI and the emotional power of Christmas music are also discussed.

Dec 15, 2023 • 27min
Are seeds alive?
Explore the concept of seed viability and preservation, including the process of seed dormancy, storage, and germination. Discover the ability of seeds to withstand dehydration and remain dormant for extended periods. Uncover the fascinating research on the longevity of ancient seeds and the debate on whether dormant seeds can be considered alive.

Dec 8, 2023 • 26min
Where does our fat go when we exercise?
Discover where fat goes when we exercise and the science behind energy expenditure. Learn about the potential of brown fat in combating chronic diseases. Explore the relationship between exercise, metabolism, and weight loss, as well as the effects of exercise on the immune system and stress response.

18 snips
Dec 1, 2023 • 37min
What is brainwashing?
This podcast explores the concept of brainwashing and its effects, including discussions on social influence and persuasion, tactics used by cult leaders, the rationalization trap, brainwashing in cults and abusive relationships, and the application of brainwashing to the Unification Church.

13 snips
Nov 24, 2023 • 28min
What’s the difference between reading and listening to books?
Experts discuss the difference between reading and listening to books, including factors such as information retention, multitasking, and mind wandering. They explore the superiority of reading for comprehension and retention, while also acknowledging the power of interactive storytelling and the importance of personalizing reading methods.

Nov 17, 2023 • 27min
Why do we lie?
Explore the complex story behind lying as the CrowdScience team unravels the mysteries surrounding this universal human behavior. They discuss the development of lying in children, the consequences of dishonesty using the tale of the boy who cried wolf as an example, the importance of truth, and cultural differences in honesty. The podcast also delves into the neurological aspects of lying, highlighting the increased activity in the frontal lobes and amygdala during lying.

Nov 10, 2023 • 40min
What will 1.5° of warming look like?
In this podcast, the host explores what life will be like after reaching 1.5 degrees of warming. They discuss virtual climate models and the future impacts such as heatwaves, extreme precipitation, and drought. The podcast also covers the effects of warming in Alaska and Indian cities. Additionally, they talk about how science is incorporated into TV show plotlines and the emotional aspects of climate change.

Nov 3, 2023 • 27min
How does food affect our mood?
Exploring the connection between our gut microbiome and mental health, this podcast investigates how diet affects our mood. It delves into the gut-brain axis and the communication highways between our gut and brain. The episode also explores the unexpected link between gut health and depression, as well as the relationship between diet and mental health. It suggests the potential use of brain-friendly bacteria formulations to treat depression.