A spectator cools herself at a water spraying fan at the Australian Open tennis championships in Melbourne, Australia, Tuesday, January 17, 2017. (Photo by Kin Cheung/AP Photo)
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)
An adorable baby owl has proved to be a real heart-breaker thanks to its heart-shaped head. Although Griffin the Lesser Sooty Owl might look like a feather duster, the tiny eight-week old chick will soon be ready to fly. And the heart outline that surrounds his giant eyes and beak means he is set to be the star of the bird show at Taronga Zoo, Sydney. (Photo by Caters News Agency)
A photo of Russia's President Vladimir Putin is seen on a poster as people attend an "Anti-Maidan" rally to protest against the 2014 Kiev uprising, which ousted President Viktor Yanukovich, in St.Petersburg February 21, 2015. Thousands of Russians marched on Saturday, carrying banners and signs disavowing the protests at Kiev's Independence Square, or Maidan, last year that ousted a Russian-backed president and created a rift between Ukraine and the West and Russia. The writing on the poster reads "I support Putin" REUTERS/Maxim Zmeyev
After their wedding ceremony, groom and bride, Nathan Mauger, Connie Young with family and friends, toast to the solar eclipse from the Rose Garden in Manito Park, Monday, August 21, 2017, in Spokane, Wash. (Photo by Colin Mulvany/The Spokesman-Review via AP Photo)
Egyptians members of the “Tanoura Dance Troupe” perform during the holy month of Ramadan, at the Ghouri complex, in Islamic Cairo, Egypt, 13 April 2022. (Photo by Khaled Elfiqi/EPA/EFE)