A woman dressed as an angel takes a break from greeting children at a public library in Irpin, northwest of Kyiv, on December 23, 2022, amid the Russian invasion of Ukraine. (Photo by Genya Savilov/AFP Photo)

An Indian man stands near his house as waves caused by high tide hits the huts on the shore of the Arabian Sea in Mumbai, India, Wednesday, July 3, 2019. Heavy monsoon rains in Maharashtra have led to more than 30 deaths since Monday night, from collapsed walls, drownings and other causes. Dozens of others have been injured. (Photo by Rafiq Maqbool/AP Photo)

A protester dressed as a clown holds an umbrella over a Swiss police officer on a motorbike during a May Day demonstration in Zurich, Switzerland on May 1, 2017. (Photo by Arnd Wiegmann/Reuters)

Soap Bubble Structures by Kym Cox. Bubbles optimise space and minimise their surface area for a given volume of air. This phenomenon makes them a useful tool in many areas of research, in particular, materials science and “packing” – how things fit together. Bubble walls drain under gravity, thin at the top, thick at the bottom, which interferes with travelling lightwaves to create bands of colour. Black spots show the wall is too thin for interference colours, indicating the bubble is about to burst. (Photo by Kym Cox/2019 Science Photographer of the Year/RPS)

Mario Barrios, left, fights Manny Pacquiao in a welterweight title boxing match Saturday, July 19, 2025, in Las Vegas. (Photo by John Locher/AP Photo)

Students receive a group punishment during a military-style close-order drill class at the Qide Education Center in Beijing February 19, 2014. The Qide Education Center is a military-style boot camp which offers treatment for internet addiction. As growing numbers of young people in China immerse themselves in the cyber world, spending hours playing games online, worried parents are increasingly turning to boot camps to crush addiction. Military-style boot camps, designed to wean young people off their addiction to the internet, number as many as 250 in China alone. (Photo by Kim Kyung-Hoon/Reuters)

In this November 30, 2017 photo, Douglas scoops up mud from the bottom of the polluted Guaire River, in search of gold and anything valuable he can sell, in Caracas, Venezuela. Some stretches of the river smell of sewer while others emit a toxic odor of fuel, a stench that stays in ones nose for hours after leaving the water. (Photo by Ariana Cubillos/AP Photo)