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World Population Day
World Population Day
On July 11, 1987, the world is thought to have welcomed its 5-billionth person. Thirty-six years later, our population has reached 8 billion and is still rising. World Population Day, established by the UN, is a day to reflect on how much life Earth can sustain, and how our lives impact our environment.Desktop Version
Carnival of Venice
Carnival of Venice
Don your tricorn hat and gilded disguise, it"s time to visit the Carnival of Venice. This centuries-old festival combines revelry with anonymity, thanks to the masks traditionally worn by attendees, from the classic square-jawed Bauta mask to the Colombina eye mask, with roots in Italian theater. Costumed rowers take part in a parade of traditional boats on Venice"s famous Grand Canal while thousands of people wearing elaborate costumes enjoy the carnival atmosphere. Parades, parties, concerts, and performances will fill the streets until festivities end on Shrove Tuesday, which falls on February 13 this year. Visitors might pass by the Santa Maria della Salute, seen toward the back of today"s image, a baroque basilica dedicated to the Virgin Mary, who is considered to be the protector of the city.Desktop Version
Rainbow Mountain
Rainbow Mountain
Even to the huge bummer that is glacial melting, there are bright sides: The radiant colors of Vinicunca (aka Rainbow Mountain) might have gone unseen had rising temps not melted the peak"s glacial caps beginning in the 1990s. Rainbow Mountain"s streaky sediment layers, multicolored like a wildflower bloom, were revealed by the 2010s. Since then, it"s become the most visited natural attraction in the lofty Peruvian Andes of the Cusco region. At more than 17,000 feet above sea level, Rainbow Mountain isn’t the tallest peak in the area—towering Ausangate is nearly 21,000 feet in elevation—but most visitors will need time to acclimatize before attempting the trek to the summit.Desktop Version
Mount Segla, Senja Island, Norway
Mount Segla, Senja Island, Norway
A beautiful island popularly known as "Norway in miniature," Senja"s diverse landscape boasts mountainous terrain as well as lush greenery. At 600 square miles, it is Norway"s second-largest island, connected to the mainland by the Gisund Bridge. The most notable spot on Senja is pictured today, Mount Segla, a magnificent peak that is visited frequently in summer, with a trail starting in Fjordgård, a fishing village in the north of Senja. It"s a tough hike to the top, more than 2,000 feet above sea level. Other tourist attractions include Ånderdalen National Park and Tranøya, an island off the south coast of Senja known for its tranquility.Desktop Version
Stepping into autumn
Stepping into autumn
Look closely and you"ll see a snake slithering down the steps of the Temple of Kukulcan (aka El Castillo or The Castle), in Chichen Itza, Mexico. Not a real snake, it"s an image created by natural light and shadows only during the spring and fall equinoxes. The equinox (which means equal night in Latin) is either of the two times each year—like today, the first day of fall—when the Earth"s orbit and position cause the sun to pass directly over the equator, creating equal amounts of daylight and darkness. According to Mayan legend, on both equinoxes this pyramid is visited by Kukulcan, the feathered serpent god. Thousands of spectators gather to watch and celebrate as seven triangles of light slide down the pyramid, illustrating Kukulcan"s descent.Desktop Version
Antarctica Day
Antarctica Day
The windiest, coldest, and driest continent on Earth—Antarctica—was officially discovered in 1820. In the following decades, several countries organized expeditions to reach and explore the Antarctic ice sheets. The southernmost continent had no indigenous population and various nations claimed ownership. But in 1959, 12 countries signed the Antarctic Treaty, banning military activities and setting Antarctica aside for scientific research. Today, we celebrate the anniversary of this treaty, which now has 56 parties.Desktop Version
Computer Science Education Week
Computer Science Education Week
Computer science is a dynamically developing discipline that has revolutionized our lives within a few decades. For Computer Science Education Week, we celebrate information systems and their power to connect the world, 24 hours a day. Where better to mark the occasion than the European Organization for Nuclear Research, known as CERN—birthplace of the World Wide Web? The 89-foot ball seen on today’s homepage is CERN"s Globe of Science and Innovation in Switzerland, in which visitors can learn more about the organization"s research work on particle physics. Quiet observers can wander around exhibitions and follow guided tours, and curious minds can take part in lab workshops and science shows for a first-hand experience.Desktop Version
The lights of Paris
The lights of Paris
As twilight turns to night, the city of Paris lights up. Streets and buildings are bathed in light, alongside grand monuments such as the Hôtel National des Invalides, whose famous dome shines out in our homepage image. It was built during the 17th century under Louis XIV, as a hospital and home for army veterans. It was also Louis XIV, known as the Sun King, who ordered streetlights to be erected throughout the city to light up dark alleys where lawbreakers might lurk. Parisians were also asked to put up lanterns and oil lamps, and place lit candles in their windows.Desktop Version
Classical music takes center stage
Classical music takes center stage
We"re looking at the West–Eastern Divan youth orchestra rehearsing for a performance in the BBC Proms. The Proms (short for promenade concerts) is an annual music festival held in London over eight weeks from July into September. The first Proms took place on August 10, 1895 in the Queen’s Hall in Langham Place, London. After the Queen"s Hall was destroyed by a bomb during the Blitz, the Proms moved here to the Royal Albert Hall in 1941. This year marks the 125th festival and includes 150 concerts and educational events. While the focus is on classical music, the Proms in the Park event closes out the season with performances from Barry Manilow, Chrissie Hynde, and other pop artists.Desktop Version
Mountain hare hopping into Lunar New Year
Mountain hare hopping into Lunar New Year
Today is the start of the Lunar New Year, which ushers in the Year of the Rabbit. Those born under the sign of the rabbit are believed to be ingenious, sweet, happy, quiet, and persistent. Famous rabbits include Albert Einstein, Frank Sinatra, Lionel Messi, and Ingrid Bergman. The Lunar New Year celebration starts with the first new moon in January and goes for the next 15 days, until the year"s first full moon lights up the night sky. Historically it has been an occasion for feasting and honoring deities as well as ancestors. We"re doing our part by sharing this lovely winter image of a mountain hare in Derbyshire, England.Desktop Version
Paleontology meets art
Paleontology meets art
Though it looks like a fresco from ancient Greece, this is the fossilized remains of a fern found in Córdoba, Spain. The fossil dates back to the Carboniferous period, roughly 350 million years ago. This is a "compression fossil"—where a small amount of the original plant material was retained with the mineral deposits that helped form the impression. Why all the paleobotany talk? It"s National Fossil Day, and we’re excited! Whether you make a trip to your local natural history museum, trek off to a national park with a fossil exhibit, or just look at fossil photos on the web, we hope you find a fun way to celebrate National Fossil Day.Desktop Version
International Day for Monuments and Sites
International Day for Monuments and Sites
Located high in the Andes Mountains, Peru"s Machu Picchu is believed to have been an estate for the Inca emperor Pachacuti, who ruled in the mid-15th century. This "Lost City of the Incas" is one of the world"s most famous archaeological sites, an engineering marvel, built without mortar, metal tools, or the wheel. As an icon of Inca civilization, it is a perfect fit for UNESCO"s International Day for Monuments and Sites, which has been celebrating important cultural heritage sites for 40 years. Landmarks such as the Pueblo Indian dwellings of Mesa Verde, the Taj Mahal, the Great Pyramid of Giza, and the Parthenon give us the opportunity to look back at the cultures that came before us and preserve their memory for future generations.Desktop Version
A Latino art exhibition in Denver
A Latino art exhibition in Denver
National Hispanic Heritage Month begins today in the United States. To explore the breadth of the Latino experience in the US, one might start with art—especially work from contemporary artists such as Gabriel Dawe, whose work is shown here. This is "no. 36" from Dawe’s Plexus series, a collection of art installations constructed from embroidery thread. The Plexus series is named for the networks of blood vessels and nerves that run through the human body. Dawe writes that his work–centered on textiles–seeks to examine gender and identity in his native Mexico and to subvert notions of masculinity and machismo. "Plexus no. 36," was on display at the Denver Art Museum in 2017.Desktop Version
Cranborne Chase, England
Cranborne Chase, England
If this looks to you like the setting of a fairy tale, you"re not alone. England"s Cranborne Chase has long inspired writers and painters, and it"s been designated a national protected area because of its natural beauty. It may be especially beautiful in winter, when the trees and shrubs can be coated with hoarfrost, an uncommon type of frost that forms when water vapor turns directly into ice, skipping the liquid stage.Desktop Version
Castle Square, Old Town, Warsaw, Poland
Castle Square, Old Town, Warsaw, Poland
From early December, the streets and squares of Warsaw, Poland"s capital city, are dressed for the festive season. Christmas decorations light up the Royal Route, which extends south from the Royal Castle on Castle Square, where a nearly 30-foot-tall Christmas tree is installed for the holiday season, to Wilanów Palace. Bundled patrons wander through Warsaw"s Christmas Market, browsing through seasonal souvenirs while savoring a warm beverage. The Royal Castle and surrounding Old Town have been recognized as a UNESCO World Heritage Site since 1980.Desktop Version
I ll call for pen and ink
I ll call for pen and ink
"…and write my mind." It"s Shakespeare Week in schools across the UK, so we"re field-tripping to the British Library for a peek at the only surviving specimen of what"s thought to be playwright William Shakespeare"s handwriting (if you don"t count legal documents). The scratchy cursive is inked within the script of Anthony Munday"s "Sir Thomas More," a then-controversial play about a king-defying statesman. In 1603, the censorial Royal Office of the Revels brought in Shakespeare among a team of writers to retool the script. But if Shakespeare"s task was to tone things down, he may have had other ideas: His three-page addition includes an impassioned speech by the title character to a mob that"s rioting over immigration policy.Desktop Version
Let the Highland games begin
Let the Highland games begin
Cue the bagpipes–today’s homepage brings us to Scotland for the Braemar Gathering, an annual celebration of Scottish culture that takes place today in the village of Braemar. These Highland games include traditional dance, music, and athletic competitions–and tartan, lots and lots of tartan (part of Scotland’s national dress). Since 1848, Braemar has regularly been attended by Britain’s Royal Family. Queen Elizabeth II, the official patron of the games, has come to Braemar every year since 1952, when she ascended the throne. It’s worth noting that she likes tartan too, and even has her own personal style of tartan—a pattern called the ‘Royal Stewart.’Desktop Version
Jane’s Carousel delights
Jane’s Carousel delights
National Merry-Go-Round Day brings us to the Brooklyn waterfront, home of Jane’s Carousel, a merry-go-round that’s been delighting riders for nearly a century. Its story starts in 1922, an era of speakeasies and flappers and a booming time in carousel history, when the rides were a symbol of a community’s prosperity. Jane’s Carousel was built in Idora Park in Youngstown, Ohio, a steel city.Desktop Version
Let s ride! It s Roller Coaster Day
Let s ride! It s Roller Coaster Day
Whether screaming with delight and waving their hands or closing their eyes and praying for it to be over, these riders are on the downslope of one of Europe"s biggest and fastest hypercoasters (that"s a roller coaster over 200 feet tall). Spain"s PortAventura Park is home to seven coasters, more than enough to get the adrenaline pumping. The Shambhala coaster, seen here, reaches 256 feet above the ground and has a max speed of 83 miles per hour. If that"s too tame, the park"s Red Force roller coaster climbs to 367 feet and reaches 112 miles per hour. Hang on!Desktop Version
National Mushroom Month
National Mushroom Month
Oh, to be a squirrel with a feast such as this! It"s National Mushroom Month, and it seems our red squirrel friend here in Alaska got a literal jump on celebrating. It might surprise you, but squirrels don"t only eat nuts. They"ll eat just about whatever"s around and that includes big mushrooms. Though a small percentage of wild mushrooms can be poisonous to humans, squirrels can eat many of these frightening fungi without worry, thanks to special proteins in their guts. Nice to know someone"s enjoying them.Desktop Version
A little blue
A little blue
If you want to see a little blue heron in its natural habitat, head to the swamps, tidal flats, and lake marshes of the US Gulf Coast, the Caribbean Islands, and Central America—and bring your patience. These herons keep a low profile, and often sit so still while hunting, they can be hard to spot. The adults develop deep blue plumage, sometimes sporting purple feathers on their heads, and tiptoe around the shoreline on green legs. The chicks are born snowy white, which scientists suggest is a survival adaptation to help them blend in with cattle egrets and snowy egrets—both species with bright white feathers—to enjoy the added safety of being in a large group.Desktop Version
Tambopata National Reserve, Peru
Tambopata National Reserve, Peru
Those brave enough to step out over this suspension bridge will be treated to a macaw"s-eye view of the Amazon rainforest, on which the survival of life on Earth depends. The vast Amazon biome, which spans 2.6 million square miles—an area twice the size of India—stores enormous amounts of carbon and supports approximately 10% of all known animal and plant species on Earth.Desktop Version
International Tiger Day
International Tiger Day
It"s International Tiger Day! A day to celebrate these magnificent animals and consider how best they can be protected. The largest wild cats in the world, all tiger species are endangered, facing challenges including habitat loss, the illegal wildlife trade, and poaching. The Bengal tiger, an iconic subspecies primarily found in India, is the star of today"s image. As apex predators, Bengal tigers play a vital role in maintaining ecological balance by controlling populations of deer, wild boar, and bison. With an estimated population in the wild of between 2,500 and 3,000, tiger conservation is crucial to secure the future of this majestic species.Desktop Version
Long-eared owl in the Czech Republic
Long-eared owl in the Czech Republic
Whooo is that up in that tree? Why, that"s just a typical long-eared owl, sometimes called the lesser horned owl or cat owl. It"s one of the most numerous owl species in the world with an estimated population between 2 million and 5.5 million long-eared owls widely distributed across the Northern Hemisphere. Our featured friend today was found in the Czech Republic, but they"ll adapt to several kinds of habitats.Desktop Version
Penn Station
Penn Station
If this image of New York City"s Pennsylvania Station seems straight out of a classic film noir, it"s for good reason. The photo was taken in the 1950s, just a few years before the city"s beloved Beaux-Arts style masterpiece was dismantled and then demolished so that Madison Square Garden could be built atop its warren of walkways and train lines.Desktop Version