Die lernende Nase – Wie Gerüche unser Leben prägen | Ig-Nobelpreis 2026 für Ilona Croy
Summary
Ilona Kreu, a clinical psychologist and smell researcher, discusses how olfaction influences human relationships, revealing that body odor encodes genetic compatibility, health status, and emotions. The episode explores how the pill alters partner preferences, why friends often share similar scents, and how children recognize their parents' smell from the womb. Kreu also explains the loss of smell due to age or illness, noting that while pheromones do not exist in humans, the sense of smell is crucial for food enjoyment and social bonding.
Topics discussed
Introduction: Ilona Kreu and the Ig Nobel Prize
Thought experiment: Which sense to give up?
What body odor reveals: health, diet, and emotions
HLA compatibility and partner selection
The pill effect on scent preference
Dietary status and perceived body odor
Scent in same-sex partnerships
Challenges of collecting pure body odor
Scent vs. visual and auditory attractiveness
Gender differences in scent preference
Olfactory hardware and regeneration
Click friendships and similar body odors
Conditioning and adopted children's scent
Parent-child scent recognition and puberty
Perfume, masking, and pheromone myths
Research on 'stay away' perfumes
Causes and impacts of losing smell
Living with congenital anosmia
Compensation strategies for food and life
Outro and podcast promotion
Listen ad-free on Castria