Ants carry a leaf with a slogan reading “Merkel, Help!”, a reference of German Chancellor Angela Merkel, at the zoo in Cologne, Germany August 18, 2015. Some of the zoo's 500,000 leaf-cutting ants carry laser-cut leaves with slogans during a campaign to protect the Amazon rain forest, organised by the German branch of World Wild Fund for Nature (WWF) and Cologne Zoo. Picture taken through the glass of the display case. (Photo by Ina Fassbender/Reuters)

A Bengal tiger licks a glass enclosure during a presentation of Bengial tiger cubs at the Malabon Zoo in Malabon City, north of Manila, Philippines, 14 July 2016. The Bengal tiger cubs, which were born at the zoo, are two months old and named “Tiger Duterte” and “Tiger Leni”. The Malabon Zoo has one of the largest private collections of exotic and endemic animals in the Philippines. (Photo by Mark R. Cristino/EPA)

A statue of a woman made out of glass and rubble that resulted from the Beirut port mega explosion August 04, is placed opposite to the site of the blast in the Lebanese capital's harbour to mark the one year anniversary of the beginning of the anti-government protest movement across the country on October 20, 2020. Hundreds marched in Beirut on the weekend to mark the first anniversary of a non-sectarian protest movement that has rocked the political elite but has yet to achieve its goal of sweeping reform. (Photo by Joseph Eid/AFP Photo)

The Russian One is a new commuter tram that looks like something from a Sci-Fi film. The futuristic tram features LED cabin lighting, felt-covered sofas, wooden handrails, and sliding glass doors that operate by touchscreen. Luckily, photographer Ilya Varlamov was able to snap some pictures of the new Russian One prototype, right from the showroom floor.

A woman holds a hedgehog at the Harry hedgehog cafe in Tokyo, Japan, April 5, 2016. In a new animal-themed cafe, 20 to 30 hedgehogs of different breeds scrabble and snooze in glass tanks in Tokyo's Roppongi entertainment district. Customers have been queuing to play with the prickly mammals, which have long been sold in Japan as pets. The cafe's name Harry alludes to the Japanese word for hedgehog, harinezumi. (Photo by Thomas Peter/Reuters)

Do tears of joy look the same as ones of woe—or ones from chopping onions? In “The Topography of Tears,” the Los Angeles-based photographer Rose-Lynn Fisher explores the physical terrain of one hundred tears emitted during a range of emotional states and physical reactions. Using a Zeiss microscope with an attached digital camera, she captures the composition of tears enclosed in glass slides, magnified between 10x and 40x. “There are many factors that determine the look of each tear image, including the viscosity of the tear, the chemistry of the weeper, the settings of the microscope, and the way I process the images afterwards,” she says.

“They're some of the most intriguing and complex creatures on the planet but they really do have nothing to hide – because theyre totally see-through. Transparent animals – creatures with clear glass-like skin – can be found all over the world but their very existence is still shrouded in mystery. The fascinating organisms verge on the invisible and their translucent skin often helps them elude predators”. – Caters News. Photo: Thornback Skate. (Photo by Ken Lucas/Caters News)

“Why Is Kristen Stewart On Crutches? The Razzie winner for Worst Actress showed up to the Oscars with a mysterious injury. According to People: Kristen cut the ball of her foot, quite severely, on glass two days ago and is in «a little bit of pain».” Photo: Actress Kristen Stewart departs the Oscars at Hollywood & Highland Center on February 24, 2013 in Hollywood, California. (Photo by Frazer Harrison)