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The LeadFor decades, scientists have puzzled over why humans instinctively prefer to walk anticlockwise in crowded spaces. Now, historical research reveals that French physiology professor Raphaël Dubois actually solved this mystery in the 19th century, identifying a phenomenon he called the 'antikinetic gyratory movement' caused by Earth's rotation.The Discovery of Antikinetic Gyratory MovementDuring the 1900 Universal Exhibition in Paris, Dubois observed a distinct tendency among visitors to walk anticlockwise. This observation led him to develop his theory about how Earth's rotation influences human movement patterns. His research extended beyond simple walking habits, as he applied this understanding to explain broader phenomena including migration patterns of both humans and animals, as well as certain behaviors related to war.The Scientific ExplanationDubois's research suggested that the rotation of Earth on its axis creates a subtle force that influences how we move. This antikinetic gyratory movement causes people in the Northern Hemisphere to naturally veer left when walking in open spaces, creating the anticlockwise preference observed in crowded environments like exhibitions, theme parks, and museums.Cross-Hemispheric ObservationsInterestingly, readers have noted that this phenomenon might differ south of the equator, where the Coriolis effect would theoretically cause the opposite directional preference. This suggests that Dubois's theory may have different manifestations depending on which hemisphere one is in, though comprehensive research on this aspect remains limited.Practical ImplicationsUnderstanding this natural tendency has practical applications for crowd management and architectural design. Left-handed individuals, who naturally move against the flow, may find an advantage in crowded spaces by walking clockwise, avoiding the bottlenecks that form when most people instinctively move anticlockwise.Future Research DirectionsWhile Dubois's work provides a foundation for understanding directional preferences in human movement, modern researchers could build upon this by conducting more comprehensive studies across different hemispheres and cultural contexts. Such research could further illuminate how Earth's rotation subtly influences not just our walking patterns but broader aspects of human behavior and societal organization.

Arthur Rosenfeld, 73, and Meryl Tankard, 70, open the performance by introducing themselves as “sprightly old geezers,” setting a tone of candid humor that runs through the evening. The production, ‘Kontakthof – Echoes of 78,’ is a fresh staging of Pina Bausch’s iconic 1978 work, now re‑imagined by Australian choreographer Meryl Tankard. Unlike the 2010 London run that split the piece between teenagers and senior amateurs, this rendition features the eight surviving members of the original cast—all now in their late sixties to early eighties—performing the very roles they created half a century ago. A ninth dancer was absent due to illness. Their live movements are mirrored on a large screen by the black‑and‑white film of the 1978 performance, creating a visual palimpsest where past and present dance together. The choreography, set to 1930s dance‑hall songs, remains a wry commentary on courtship, power dynamics and consent. Tankard’s direction emphasizes the passage of time, allowing audiences to witness the same steps executed by bodies that have aged, yet retain a striking vitality. Dancers such as Josephine Ann Endicott, now in her seventies, glide across the stage in silk dresses, their frames more fragile but their confidence undiminished. Moments of poignancy arise when the film shows cast members who have since passed away. Onstage, John Giffin reaches for his late partner’s face, only to grasp empty air—a visual metaphor for loss that resonated deeply with the audience. Personal revelations punctuate the performance: Beatrice Libonati, 71, describes herself as “paranoid and a misanthrope,” while Tankard admits, “I wish I’d had children; I miss my mother every day,” underscoring the undercurrent of longing that runs through the piece. Beyond its narrative, the production offers a meditation on continuity. Bausch’s signature walking patterns—slow circles and linear traverses—are repeated, suggesting that despite changing bodies, the human species continues to tread familiar social routes. The music, unchanged from the original, carries on until the final dancer pauses, symbolising the inevitable end of the dance of life. The show runs at Sadler’s Wells, London through 11 April, offering a rare glimpse into how art can bridge generations and celebrate the endurance of the human spirit.