In the media
2026
→Sand, salt, sheep, and crowds of people are all granular materials. By studying them, we can prevent human stampedes at concerts and make traffic flow more smoothly on the roads. QuèQui. 3Cat. TV Catalunya. January 2026.
2025
→ Sheep, soldiers, and grains: Studying the physics of crowds. National Public Radio (USA). 27 October 2025.
→ Collective movements of crowds are not chaotic but periodic. Points of interest. Spanish Journal of Physics. July-September 2025.
→ Interview with the Full Professor of Applied Physics at the University of Navarra, Iker Zuriguel, who has conducted a study of the movements that occur during the Chupinazo of San Fermin.
More than One. Pamplona. Onda Cero. August 4, 2025.
→ The Physics that keeps a crowd from becoming a stampede.
The New York Times. February 5, 2025
→ The laws of physics governing the Sanfermines crowds will make it possible to avoid tragedies in crowds.
El País. February 5, 2025
→ A study on the chupinazo of San Fermin identifies how human tides move to predict accidents.
El Español. February 5, 2025
→ Why did a stampede in the Love Parade cause 21 deaths and in the Sanfermines nothing happens?
El Confidencial. February 5, 2025
→ They explain how the crowd moves at the San Fermin chupinazo and why a misfortune doesn't happen.
ABC. February 5, 2025
→ A study on the Sanfermines concludes that mass behavior in crowded events can be predicted.
Europa Press. February 5, 2025
→ Analyze how the human tide of the chupinazo moves in San Fermin to avoid avalanches.
Expansion. February 5, 2025
→ A study reveals how the masses synchronize during the chupinazo of San Fermin.
Telecinco. February 5, 2025
→ Iker Zuriguel: "San Fermín is the best laboratory in the world to analyze crowds in high density".
Onda Cero. February 5, 2025
→ They discover how the crowd is synchronized during the chupinazo of San Fermín: the dough ranges every 18 seconds.
Pledge Times. February 5, 2025
→ A mystery of crowd behavior revealed: people swirl.
The World. February 5, 2025
→ Modelling the motion of confined crowds could help prevent crushing incidents.
Physics World. February 5, 2025
→ Analysis of how the human tide of the chupinazo in San Fermín moves, which could prevent accidents.
Science average Centre. February 5, 2025
2024
→ High-density cameras will monitor the chupinazo of Sanfermines 2024 to study the flows of people.
Cadena Ser. July 1, 2024
2022
→ Red hats and robots to measure traffic jams (.pdf)
Diario de Navarra. June 1, 2022
→ The Speed Also Rises
Scientific American. March 2022
2021
→ Crowd behaviour. Of architects and bull-running (.pdf).
The Economist, December 11, 2021
→ Lessons from the Pamplona running of the bulls to avoid a catastrophe.
ABC, December 8, 2021
2020
→ An experiment will study the movement of people in enclosed spaces.
Diario de Navarra. June 23, 2020
→ Amaia Alcalde, Iñaki Echeverría and Juana Fernández, winners of the II edition of the Scientific Monologue Contest.
Diario de Noticias. February 16, 2020
2019
→ Winner of the scientific monologue contest: "We must be popularizers".
La Vanguardia. 02 June 2019.
→ El club de la comedia... científica: humorous monologues on physics, Chemistry and biology.
El País. May 16, 2019
→ Physicist Iñaki Echeverría will represent Spain in the international final of scientific monologues FameLab.
FECYT. May 14, 2019
2018
→ Sheep are able to leave a premises in panic situations in a more orderly manner than humans.
Antena 3 Noticias. October 22, 2018
2017
→ 200 soldiers pushed by science (.pdf)
El País. May 08, 2017.
→ The hypothesis falls down in the barracks (.pdf).
Diario de Navarra. May 06, 2017
→ First real building evacuation drill with 200 soldiers from Aizoain.
Diario de Navarra. 05 May 2017
2016
→ Sometimes we are like sheep
Diario de Navarra. November 10, 2016
→ Sheep and grain help confirm that going slower in the end is faster.
Scientific American English. January 20, 2016
→ Don't shove! Sheep and humans show pushing slows evacuation.
New Scientist. 06 January 2016
2015
→ What a shove matters when running away.
El País. December 18, 2015
→ Wake Up, Sheeple! And Watch These Sheep Crowd Through a Door
Time Magazine Online. March 10, 2015.