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

Two brown bears bathe in their enclosure at the Wildpark Poing in Poing, Germany, Wednesday, August 8, 2018. (Photo by Lino Mirgeler/Deutsche Presse-Agentur via AP Photo)

Award-winning photographer Barry Lewis has been picturing the weird and wonderful late-night Glastonbury experience for more than a decade. Shangri-La is a festival of contemporary performing arts held each year at Glastonbury festival, and Barry Lewis has documented its denizens. Here: Spa in Slumbarave’s Hotel Metropolis, Shangri-La, Glastonbury, 2009. (Photo by Barry Lewis/The Guardian)

A demonstrator uses a slingshot during a protest against Chile's government in Santiago, Chile, November 14, 2019. (Photo by Jorge Silva/Reuters)

A bride gets ready during a mass wedding ceremony in the old quarters of Delhi February 20, 2015. A total of 12 couples took their wedding vows on Friday during the mass wedding ceremony organised by a Hindu religious organisation, an organiser said. (Photo by Ahmad Masood/Reuters)

Fans watch during a match between Daria Kasatkina, of Russia, and Coco Gauff during round-robin play on day four of the WTA Finals tennis tournament in Fort Worth, Texas, Thursday, November 3, 2022. (Photo by Ron Jenkins/AP Photo)

A jet ski is seen in Praia do Norte, Nazare, Portugal on January 9, 2023. (Photo by Pedro Nunes/Reuters)

The Balance Bike Quad Eliminator being run (and organised) by GT Bicycles at the Malverns Classic, Start Line, Eastnor Deer Park, Eastnor, in Herefordshire on Friday 26th August 2022. Youngsters enjoy the thrills & spills of balance bike riding as they partake in the annual event held in rural Herefordshire. The thrills and spills as rider No. 013, Kelia Ranes tries hard to avoid a fallen competitor. (Photo by Richard Stanton/The Times)