People take pictures of the sunset in Berlin October 27, 2014. (Photo by Hannibal Hanschke/Reuters)

A child is seen with persimmons in Denizli, Turkiye on October 24, 2022. (Photo by Ummu Nisan Kandilcioglu/Anadolu Agency via Getty Images)

American model Olivia Culpo in the first decade of October 2023 flaunts her toned tummy during “24 hours in Austin”. (Photo by Oliviaculpo/Instagram)

A Palestinian woman is assisted at the site of an Israeli strike on a house in Rafah in the southern Gaza Strip on October 30, 2023. (Photo by Reuters/Stringer)

American singer-songwriter Billie Eilish in the last decade of October 2023 partners with Gucci to advocate for animals and gives us something to contemplate. (Photo by Instagram)

National Geographic photographer Steve Winter has spent most of his adult life shooting wild cats. Photo: A 14-month-old cub, cooling off in a pond, is riveted by a deer that appeared near the shore. Tigers are powerful swimmers; they can easily cross rivers four to five miles wide and have been known to swim distances of up to 18 miles. (Photo by Steve Winter/National Geographic)

In this photograph taken on April 16, 2014, a veterinary staff member of the Sumatran Orangutan Conservation Programme center conducts medical examinations on a 14-year-old male orangutan found with air gun metal pellets embedded in his body in Sibolangit district in northern Sumatra island. (Photo by Sutanta Aditya/AFP Photo)

Wedges of an orange generate enough current and electrical juice – 3.5 volts – to power an LED. The fruit’s citric acid helps electrons flow from galvanized nails to copper wire in this 14-hour exposure. This image was published in September’s Visions of Earth, a trio of photos that appear in each issue of National Geographic. (Photo by Caleb Charland/National Geographic)