Pequenas variações na bola podem influenciar o seu comportamento assim que ela sai do pé: testes apontam que a bola da Copa de 2026 é mais estável em voo que as de torneios anteriores, mas pode ter um alcance ligeiramente menor em chutes e passes mais longos. Robbie Jay Barratt/AMA/Getty Images

Testes avaliam como a bola da Copa do Mundo de 2026 deve se comportar em campo

Há duas décadas pesquisadores vêm estudando a aerodinâmica da bola de futebol, e testes recentes sugerem que a bola da Copa de 2026 é mais estável, mas com um alcance ligeiramente menor
Every World Cup, Adidas introduces a new ball, and this year’s is called the Al Rihla. Joern Pollex/FIFA via Getty Images

World Cup: This year’s special Al Rihla ball has the aerodynamics of a champion, according to a sports physicist

Adidas releases a new ball for every World Cup. At the highest level of play, a ball that behaves in unexpected ways can throw players off. A sports physicist explains the science of this year’s ball.
Un vainqueur du Tour (ici, Tadej Pogacar, en 2021) peut déployer autant de puissance tout au long du Tour qu'un bon cycliste amateur sur 20 minutes. Philippe Lopez/AFP

Tour de France : combien le vainqueur aura‑t‑il brûlé de calories ?

Le Tour 2022 arrive en France… Vingt-et-une étapes cette année, au cours desquelles les coureurs parcourront plus de 3 400 km. Voici l’estimation de l’incroyable quantité d’énergie qu’ils vont brûler.
The Tour de France is one of the most physically taxing sporting feats imaginable. Phillippe Lopez/AFP via Getty Images

Tour de France: How many calories will the winner burn?

Riders in the 2022 Tour de France will ride more than 2,100 miles (3,400 km) over the 21 flat and mountainous stages of the race. And they will burn an incredible amount of energy while doing so.
Tour de France riders have to eat constantly to replenish the energy they burn. Filip Bossuyt/Flickr

Tour de France: How many calories will the winner burn?

Riders in the 2021 Tour de France will ride more than 2,100 miles (3,400 km) over the 21 flat and mountainous stages of the race. And they will burn an incredible amount of energy while doing so.

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