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Oct 6, 2020Water colors

Xiechi Lake in Yuncheng, China, has such a high level of salinity, it"s sometimes called China"s Dead Sea. But unlike the Dead Sea in the Middle East, Xiechi Lake supports abundant microscopic life: algae and other microorganisms that have a high tolerance for the salt. In summer and autumn, the lake temperature is high enough to spark algae blooms, bringing a variety of intense colors to the lake water.Desktop Version

Nov 23, 2020Autumn comes to Old Town

The medieval center of Bern, Switzerland"s capital, looks much as it did when most of these buildings were first constructed between the 12th and the 15th centuries. What"s now called Old Town was founded in 1191 on a long, narrow peninsula surrounded on three sides by the Aare River. As Bern grew over the centuries, it erected defensive walls and moats only to tear them down again with each successive wave of expansion. In their place are now broad public spaces for outdoor cafes and markets, like the Zibelemärit (Onion Market), an annual fall tradition.Desktop Version

Jun 17, 2021Just another day in paradise

It takes some effort to reach the stunning Nā Pali Coast on the Hawaiian island of Kauai. Located on the island"s northwest side and stretching about 16 miles, Nā Pali isn"t accessible by car. You have to hike in, fly in by helicopter, or come at it from the sea by boat. In the summer, when the waves are calm, you can explore the rugged coast by kayak, but you"ll need a solid supply of muscle power for the sometimes-grueling paddle. If you seek a gentler approach—and if COVID restrictions allow—book a boat trip to explore the interiors of the sea caves that dot the shore. Today, we"re looking down on the Bright Eye sea cave, one of several caves on the Nā Pali Coast that lost their ceilings to the pounding of the sea.Desktop Version

Nov 28, 2019Wild turkeys in repose

The only difference between the wild turkeys in our photo today and the domestic turkeys many of us are preparing for the Thanksgiving meal is that domestic turkeys are raised on farms. Scientifically speaking, they’re the same species. The wild turkeys—like these two in Winter, Wisconsin—demonstrate how incredible these birds are in their natural environment. Adult turkeys have some 5,000 to 6,000 feathers, which work kind of like cat whiskers, helping the birds sense their environment. It’s the tom turkeys who have these large tail feather displays—they use them to attract hens. Wild turkeys don"t fly far and don"t migrate, but they are agile and can cover short distances quickly. They’re also highly adaptable to new environments, ranging throughout Mexico (where they originated) and the contiguous United States, and into several Canadian provinces as well.Desktop Version

Jan 16, 2022Hot and Spicy Food Day

The super-spicy curries of Bangladeshi cuisine start out here in the chili fields, where workers harvest and sort red chili peppers by hand. Once picked, the peppers are sun-dried and used whole or ground into powder. The chilis not only add a flavorful kick to foods but help kill bacteria as well. Plus, spicy foods help diners cool down: One natural reaction to capsaicin, the active chemical in chilis, is sweating, which can help chill the skin amid tropical heat.Desktop Version

Jun 25, 2021Birds and bees, and why they re so important

As Pollinator Week kicks off today, we"re in Colombia witnessing what appears to be a faceoff between two pollinators. On one side, you have the bee, which takes the title as the best-known pollinator. But birds—like this lovely empress brilliant hummingbird—are excellent pollinators as well. And so are bats, beetles, and other critters that can also move pollen from plant to plant to aid pollination, giving us fruits, seeds, and the next generation of plants. So shall we call this a draw, fellas?Desktop Version

Oct 14, 2020In praise of the old…the very old

What better way to honor National Fossil Day than with this amazing dragonfly! It"s rare to find one in such exquisite condition, but this one was discovered in Solnhofen, Germany, where limestone deposits preserved some of the most detailed fossils ever found—including the birdlike dinosaur called Archaeopteryx. This dragonfly was preserved in the Solnhofen limestone about 150 million years ago in the Jurassic Period. It measures about 5.5 inches across.Desktop Version

Jun 21, 2020Grab onto the handlebars, kid

How does a bearded tamarin celebrate Father"s Day? Maybe by giving piggyback rides to pint-sized monkeys. From day one, both male and female bearded emperor tamarin babies (like the one hitching a ride in this photo), start growing their trademark handlebar mustaches and wispy beards. These diminutive residents of the Amazon basin are highly social animals. Females often give birth to twins and stay pretty busy during the day nursing them. After the babies are fed, the males watch over the youngsters by carrying them around on their backs. By the time the young tamarins reach two months old their pops become the primary caregivers, providing food and showing the ropes of the rainforest to their young charges—where to find fruit and nectar in the dry season, how to leap from branch to branch, and the best ways to groom those outrageous mustaches and beards.Desktop Version

Mar 16, 2022Panda Day

There"s just something comforting about giant pandas. They"re stoic but look cuddly, and their unusual black and white markings make them distinctive. Pandas are one of the animals we recognize from an early age. But while we may take them for granted, they"ve been under threat from shrinking habitats and food supply as people harvest bamboo and build roads and train tracks through their forests. National Panda Day on March 16 spreads awareness about these beloved bears and encourages us to safeguard their future.Desktop Version

Jun 18, 2019From garden to table?

Depending on where you live, you may know these snails as Burgundy, Roman, or edible snails. Yes, that last name acknowledges that these garden dwellers are often prepared as a food item, usually called ‘escargot’—the French word for ‘snail.’ In late spring and early summer, the adult snails will lay eggs and cover them up, leaving the young to hatch and survive on their own. Given that the adult snail in our photo is 1.5 inches tall, it puts the juvenile snail’s size into perspective.Desktop Version

Sep 9, 2019A toast to California!

Today we"re celebrating the 169th anniversary of the Golden State"s admission into the Union with an appropriately golden image of a Central Coast winery and landscape. In 1850, just 14 months after the peace treaty ending the Mexican-American War ceded most of California along with a large portion of western territory to the US, the former self-proclaimed California Republic became the 31st state. California is one of only six states admitted to the Union without first being recognized as a US territory. Some link this to the California Gold Rush, which began in January 1848 and rapidly increased the California population by more than 1,000 percent.Desktop Version

Aug 25, 2020Punakaiki on South Island, New Zealand

This portion of New Zealand"s South Island coast features plenty of strange geology. The Pancake Rocks, so named due to the stacked, flat layers of sediment and stone, were once underwater. As the Tasman Sea receded, the unusual rocks became the Punakaiki region"s shore. Erosion created openings along the cliffs called "blowholes." When the tide comes crashing in, water sprays up through the openings, and if you"re standing too close, you"ll get soaked.Desktop Version

Oct 20, 2021Feeling lazy? Today s your day.

Isn"t it odd that many of us don"t have to work on Labor Day, but International Sloth Day is just another Wednesday? If you"re moving slowly today, that"s just fine: You"re outpacing today"s homepage subject, which spends 90% of its time scarcely moving a muscle.Desktop Version

Aug 30, 2018Castle Frankenstein in Darmstadt, Germany

To celebrate Frankenstein Day, aka the birthday of writer Mary Shelley, we bring you this moody photo of Frankenstein Castle at Darmstadt, Germany. A man named Johann Dippel lived here once, and is said to have been involved in attempts to reanimate body parts of the deceased. Sound familiar? That may be because Dippel’s life is thought to have influenced the creation of the novel ‘Frankenstein’ by Mary Shelley. While scholars debate the real-life inspirations, we do know that Shelley was just 19 when she crafted the story, essentially written on a dare made by poet Lord Byron. While spending a rainy summer on Lake Geneva in Switzerland, Shelley (nee Godwin), her future husband Percy Bysshe Shelley, and Byron, all decided to try writing ghost stories. Mary Shelley outdid them all by creating the well-known story of the mad doctor who brings the dead back to life. Her book is often cited as the first true work of science fiction.Desktop Version

Aug 6, 2021Looking down upon Edinburgh

We"re kicking off festival season in Edinburgh, Scotland, with this view of the capital city from Salisbury Crags in Holyrood Park. Throughout the month of August, the city is hosting a staggering number of music, theater, opera, dance, and other types of performances as part of the Edinburgh International Festival and the Edinburgh Festival Fringe, which is the world"s largest international arts festival.Desktop Version

May 25, 2021An improbable tribute for Towel Day

"Space," Douglas Adams observed in his comic sci-fi novel "The Hitchhiker"s Guide to the Galaxy," "is big. Really big. You just won"t believe how vastly hugely mind-bogglingly big it is. I mean, you might think it"s a long way down the road to the chemist, but that"s just peanuts to space." So, in his fictional universe, Adams invented the Infinite Improbability Drive as a way to cross its vast distances in a nothingth of a second. And, in one memorable passage, to convert two approaching nuclear missiles into a bowl of petunias and a sperm whale. Thus, today"s image of the Earth"s largest toothed whale is our tribute to Adams on the 20th annual celebration of Towel Day (it"s surprisingly difficult to find a really great image of a bowl of petunias).Desktop Version

Oct 22, 2020Moving as one

After the nesting and breeding seasons of spring and summer have passed, starlings become highly social birds, often gathering in flocks that number in the thousands. These flocks sometimes take the form of a murmuration—when the birds form a group large and dense enough that they appear to move together as a single organism, even if the movements seem arbitrary. Though scientists still don"t quite understand how the individual starlings in a murmuration coordinate their tight, fluid formations, the behavior is thought to be a way to confuse predators.Desktop Version

Aug 1, 2021Welcome to Scotland s garden

Today, we"re in the "Garden of Scotland," better known as the East Lothian region, to pay homage to the area"s agricultural roots on Lammas Day. Also known as Loaf Mass Day, it"s an observance that marks the beginning of the harvest season and is traditionally celebrated on August 1. The holiday is descended from the ancient British tradition known during the Middle Ages as the Gule of August and was gradually incorporated into the Christian liturgy celebrating Holy Communion. It gets its name from loaves of bread baked from the first harvested grain of the season each year.Desktop Version

Sep 18, 2018A red knot on the Shetland Islands, Scotland

This little bird with its 20-inch wingspan weighs about as much as a stick of butter, but it has the stamina of an Olympian. Each fall, red knots are known to fly more than 9,000 miles from the Arctic to South America–and in the spring, they do the journey in reverse, for a roundtrip of more than 20,000 miles. The most famous red knot, known as ‘Moonbird,’ is so named because the total of its known migrations have exceeded the distance to the moon. Moonbird was first banded in Rio Grande, Argentina, in 1995 and has been sighted many times in the years after–amazing scientists and birders alike.Desktop Version

Jul 14, 2020Under Parisian skies

For Bastille Day, aka French National Day, we examine not the titular prison that was the site of the beginning of the French Revolution, but another building inexorably wrapped up in that powder-keg moment of French history. The dome in the upper right portion of this photo belongs to the Panthéon. Construction of the building—intended to be a church—began in 1758. But by the time it was completed in 1790, the French Revolution was in full swing and the new establishment decided that it should instead be used as a mausoleum for distinguished French citizens, which it remains today.Desktop Version

May 20, 2021Happy Bee Day to you

If flowers are the starring cast of nature"s big spring show, then bees are the crew. Honey bees are always buzzing in the background, pollinating not only our photogenic petaled friends, but also food crops that make up a third of humans" diet. But when seen in front of the camera, they"re hardly bee-listers: Today"s pollen-coated photo subject was certainly ready for her close-up.Desktop Version

Jul 12, 2022Bay Marker Lookout, Sydney Olympic Park, Australia

It"s an easy, circular trail to the Bay Marker Lookout, but you have to make it under your own steam—sorry, no cars allowed. This is one of the five Sydney Olympic Park Markers, cone-shaped earth mounds installed for the 2000 Olympics in Australia. They are cleverly placed to look from the air like the Australian flag"s Southern Cross. From the ground, the Bay Marker gives a stunning full-360-degree view of Wentworth Common—a large grassy park—and the larger Olympic Park and stadium. You can also look over Homebush Bay (the community and the body of water) to the north. It"s a dramatic melding of urban landscape, the city skyline, the wetlands and greenery, rivers, and beaches.Desktop Version

Jun 14, 2020Celebrating Flag Day

June 14 is Flag Day, which commemorates the adoption of the flag of the United States in 1777. Our nation"s first official flag had 13 stars and 13 red and white stripes to represent the original 13 colonies that broke from British rule. The stars were arranged on a blue background to represent a "new constellation." In 1795, two more stars and two stripes were added to reflect the entry of Vermont and Kentucky to the Union. Then in 1818, Congress passed a plan to go back to 13 stripes and add only stars for new states. The current version of the flag has been in effect since 1960, after Hawaii became a state the prior year. The flags we"re looking at here are flying in New Jersey"s Liberty State Park, with the Statue of Liberty in the background.Desktop Version

Dec 28, 2021Kjell Henriksen Observatory

While these domes look like they should be in a movie set depicting a galaxy far, far away, they"re actually part of a scientific research station here on planet Earth. Kjell Henriksen Observatory is named for a Norwegian scientist whose research focused on the polar lights. The aurora borealis is frequently seen here, deep within the Arctic Circle in Norway"s remote Svalbard territory. And the observatory is specially designed to observe the aurora. Since it opened in 2008, the observatory has become a destination for atmospheric scientists, who can rent one of these 30 glass-topped rooms built to house high-end optical instruments.Desktop Version

May 4, 2021Happy Star Wars Day!

Sprinting over the sands, this grey seal reminds us of Luke Skywalker"s zippy landspeeder vehicle from the first "Star Wars" flick. But unlike Luke, it"s not bound for Tosche Station to pick up some power converters—just to the sea for a fishy snack.Desktop Version

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