Shoppers and commuters in Manchester wearing face masks on February 28, 2020, including plague doctor masks due to the Coronavirus crisis in the UK. (Photo by Mario Forshow/Cavendish Press)
In this August 28, 1963 file photo, the top of the Washington Monument and part of a U.S. flag are reflected in the sunglasses of Austin Clinton Brown, 9, of Gainesville, Ga., as he poses at the Capitol where he joins others in the March on Washington. (Photo by AFP Photo)
Men help a woman affected by tear gas used by National Police officers to disperse a demonstration of supporters of Fanmi Lavalas political party in the streets of Port-au-Prince, Haiti, November 22, 2016. (Photo by Andres Martinez Casares/Reuters)
A protester pours Coca-Cola on the face of a comrade to diminish the effects of tear gas during a crackdown by security forces on a demonstration against the military coup in Yangon's Thaketa township on March 19, 2021. (Photo by AFP Photo/Stringer)
Tuvalu-registered OS 35 cargo ship lies on the seabed, offshore Gibraltar, Tuesday, August 30, 2022. Gibraltar authorities say they have beached a cargo ship to prevent it from sinking after it collided with a liquefied natural gas carrier in the bay of Gibraltar. (Photo by Europa Press via AP Photo)
Edinburgh mask maker Lorraine Pritchard on Sunday, January 28, 2024 alongside some of her Venetian masks which will be worn and displayed at the Venice Carnival, which starts on Saturday February 3. Lorraine studied model making at Glasgow College of Building and Printing and Venetian mask making in Florence, Italy. She travels to Venice each year to be a “mask” herself, wearing different masks she has designed as a live exhibit of her work. (Photo by Jane Barlow/PA Images via Getty Images)
Gallium is a chemical element with symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the gallium(III) compounds in trace amounts in bauxite and zinc ores. A soft silvery metallic poor metal, elemental gallium is a brittle solid at low temperatures.
A woman wearing a face mask to protect against the spread of COVID-19 walks past a mask clad Acrocanthosaurus display at the Witte Museum, Thursday, January 28, 2021, in San Antonio. (Photo by Eric Gay/AP Photo)