A boy jumps from a swing during sunset in Valras-Plage, southern France December 29, 2014. (Photo by Yves Herman/Reuters)

The lightest material ever made has been produced by a team of scientists in China, a Chinese university announced.

A gallery worker poses in front of part of artist Sin Wai Kin's Turner Prize shortlisted artwork “It’s Always You” at the Tate Liverpool in Liverpool, Britain on October 18, 2022. (Photo by Phil Noble/Reuters)

Daniel Sheridan, a council worker from Poole, Dorset, runs a side hustle snapping dogs living their best lives in the second decade of December 2024. (Photo by Daniel Sheridan/South West News Service)

A Chinese girl in traditional dress eats her lunch in a Five Guys restaurant in between shooting videos for her Chinese social media account on October 18, 2023 in London, United Kingdom. (Photo by Dan Kitwood/Getty Images)

Participants take part in a parade in traditional attire to celebrate Tamu Lhosar, a New Year festival of the Gurung community in Kathmandu, Nepal on December 30, 2024. (Photo by Navesh Chitrakar/Reuters)

A child stands next to sacrificial camels at the camel market ahead of the Muslim festival of Eid al-Adha in the Birqash district, Giza, Egypt, 30 May 2025. Eid al-Adha is one of the holiest Muslim holidays, marking the annual Hajj pilgrimage to Mecca. (Photo by Mohamed Hossam/EPA/EFE)

An undercover police officer, who had been marching with anti-police demonstrators, aims his gun at protesters after some in the crowd attacked him and his partner in Oakland, California December 10, 2014. Police said more than 100 demonstrators marched in Berkeley, California, which has a history of social activism. Under cloudy skies, turnout was smaller than earlier in the week, when demonstrators in the area threw rocks at police and shut down a major freeway. (Photo by Noah Berger/Reuters)