Brain-on-a-chip. Dazzling in green and magenta this image shows the nerve fibres (in green) produced by neural stem cells (in magenta) as they grow on a synthetic gel. Captured by a technique known as confocal microscopy, the image is part of research shedding light on how tinkering with the environment can affect the way in which nerve fibres grow. (Photo by Collin Edington and Iris Lee/Massachusetts Institute of Technology/Wellcome Images)

A male green anole lizard flares his throat fan in a backyard in Cary, North Carolina on April 27, 2021. This pink section is actually a thin flap of skin that hangs down below the green anole's throat. Anoles are renowned for their displays in which they do pushups, bob their heads up and down, and unfurl their colorful dewlaps. The male anole uses it for two primary purposes: to protect his territory and attract a mate. (Photo by Bob Karp/ZUMA Press Wire/Alamy Live News)

Dilwyn Green, from North Wales, holds his 7 month old Gold Silkie Bantam which won a 1st prize in its breed at the Poultry Club's 2011 National Show on November 19, 2011 in Stoneleigh, England. (Photo by Oli Scarff/Getty Images)

A boy holds a green sea turtle hatchling before releasing it at Pekan Bada beach on the outskirts of Banda Aceh on March 14, 2023. (Photo by Chaideer Mahyuddin/AFP Photo)

Actress Elaine C Smith grazes Siusan, the Highland cow, on Glasgow Green to mark being given the Freedom of the City of Glasgow, UK on Thursday, March 6, 2025. (Photo by Jane Barlow/PA Wire)

British singer and actress Rita Ora performs on the stage at Sporting Summer Festival in Monaco on Tuesday, August 7, 2018. (Photo by Andrew Timms/Rita Ora Instagram)

Women lie in the sun in Domino Park as high temperatures hit the region in Brooklyn, New York, U.S., August 29, 2018. (Photo by Andrew Kelly/Reuters)

A model presents a creation from The Blonds Autumn/Winter 2019 collection during New York Fashion Week in New York, U.S. February 12, 2019. (Photo by Andrew Kelly/Reuters)