Alejandro Davidovich Fokina of Spain reacts after the men's single tennis match of Dubai Duty Free Tennis Championship in Dubai, United Arab Emirates on March 01, 2023. (Photo by Amr Alfiky/Reuters)
Arsenal's Gabriel Magalhaes reacts after the English Premier League soccer match between Arsenal and Southampton at the Emirates Stadium in London, Britain, 21 April 2023. (Photo by Neil Hall/EPA)
Khadija Amchichar, 12, and Amina Ouazzou, 8, react as they stand in a school turned into a shelter for displaced earthquake survivors, in the aftermath of a deadly earthquake, in the village of Outaghrri, Morocco on September 13, 2023. (Photo by Hannah McKay/Reuters)
Mourners react during the funeral of Palestinian members of al-Agha family, who were killed in Israeli strikes, in Khan Younis in the southern Gaza Strip on October 11, 2023. (Photo by Ibraheem Abu Mustafa/Reuters)
Children watch and react as a T-Rex moves and growls in an inter-active display at Field Station Dinosaurs in Secaucus, N.J on May 25, 2012. There will be 31 types of life-sized dinosaurs displayed at the Jurassic expedition that opens Saturday, May 26. (Photo by Mel Evans/Associated Press)
A Palestinian man reacts after his house was flooded by rain water in Khan Younis in the southern Gaza Strip, November 9, 2015. (Photo by Ibraheem Abu Mustafa/Reuters)
These beautiful shots may look like works of modern art – but they are actually close-ups of chemical reactions. The works were snapped with the help of a group of scientists from the University of Science and Technology of China (USTC) in Anhui, China. Here: Zinc reacting with lead nitrate in a soft gel to form lead crystals. (Photo by Yan Liang/Caters News)
South Korean football fans react during a public screening in Seoul of the South Korea vs Russia football match at the 2014 World Cup in Brazil, early on June 18, 2014. (Photo by Ed Jones/AFP Photo)