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Rolling Brightly on the River

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How do you take a light show to the next level? Instead of showing it on a wall or the sky, how about we just float it down the river!
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Really Weird Bird Anatomy. And why such research is important.

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Animals
7 Fun Facts for Elephant Appreciation Day
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Happy Elephant Appreciation Day! Celebrate the occasion with some facts about everyone's favorite gentle giant. 

1. ELEPHANTS CAN RECOGNIZE OTHER ELEPHANT CARCASSES.

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The University of Sussex's Karen McComb told National Geographic that elephants "become excited and agitated if they come across a dead elephant," and, in particular, will investigate skulls and tusks. McComb teamed up with researchers at the Amboseli Elephant Research Project in Kenya to study the behavior, showing wild elephants a range of objects that included skulls. They found that the elephants examined skulls—and tusks in particular—of their own kind twice as long as other skulls, and examined tusks six times as long as they did pieces of wood. They were even able to recognize elephant skulls with the tusks removed, but didn't show preference for certain elephant skulls over others, which suggests they didn't know which skulls belonged to their own relatives. "Animals that are intensely social in life may be most likely to display an interest in their dead," McComb told National Geographic. "But what goes on in their minds while they are doing this is a total mystery."

2. THEY'RE SCARED OF BEES.

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Forget about mice scaring off elephants: When farmers need to keep elephants away from their crops, they should use bees. Researchers in Kenya discovered that even the recorded sound of buzzing bees was enough to make elephants retreat—and cause them to emit a low-frequency sound, inaudible to humans, that warns other elephants of the bees' presence.

"It's impossible to cover Africa in electric fences," Lucy King, author of the paper, told The Huffington Post. "The infrastructure doesn't exist in many places and it would restrict animals' movement." But something like a bee fence—hives strung on strong wires a certain distance apart that would move when elephants walked into them, disturbing the hives—"could be a better way to direct elephants away from farmers' crops," she said.

3. THEY MIGHT UNDERSTAND POINTING.

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Humans often use pointing as a way to nonverbally get a message across, though not many other animals grasp the concept. But according to a two-month study of 11 tame African elephants, these pachyderms might be able to: When presented with two identical buckets and pointed in the direction of the one containing food, elephants picked up on the cue fairly consistently: Elephants had a success rate of 67.5 percent (1-year-old humans have a success rate of 72.7 percent). But an earlier study of Asian elephants indicated that they don’t notice pointing gestures, which is a bit of a mystery.

4. ONE ELEPHANT CAN "TALK." 

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Koshik, an elephant in a South Korean zoo, developed the ability to imitate the sounds of five words he's heard from his trainer—annyeong (hello), anja (sit down), aniya (no), nuwo (lie down), and joa (good)—by sticking his trunk in his mouth. The scientists who first noticed Koshik’s ability speculate that he learned to “talk” because he was lonely.

5. THEY'RE DIGITIGRADES.

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It's Latin for "finger walking," and what it means is that elephants walk on their toes (there are five of them, as well a sixth false toe). According to the book Mammal Anatomy: An Illustrated Guidemost of the animals' weight "rests on a broad pad of elastic tissue behind the toes" which "acts as a shock absorber and prevents the skeleton from jolting too much when the animals walk. It also allows elephants to move surprisingly quietly despite their size."

6. AN ELEPHANT PREGNANCY LASTS ABOUT TWO YEARS.

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If you thought being pregnant for nine months was a long time, be glad you're not an elephant, which can be pregnant for up to 680 days, according to the BBC. All that time in the oven has a benefit, though: Elephant calves are born with highly-developed brains, capable of learning their herd's complex social structures and ready to put their trunks to use.

7. NINETY-SIX ELEPHANTS ARE KILLED IN AFRICA EVERY DAY.

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Unfortunately, elephant poaching remains a very big problem: An estimated 35,000 elephants are killed annually, their tusks sold illegally in the ivory market. Do the math, and that comes out to nearly 96 elephants every day. Find out what you can do to help elephants and stop poaching at 96Elephants.org.

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13 Fantastic Museums You Can Visit for Free on Saturday
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On Saturday, September 23, museums and cultural institutions across the United States will open their doors to the public for free, as part of Smithsonian magazine’s annual Museum Day Live! event. Hundreds of museums are set to participate, ranging from world-famous institutions in major cities to tiny, local museums in small towns. While the full list of museums can be viewed, and tickets can be reserved, on the Smithsonian website, we’ve collected a small selection of the fantastic museums you can visit for free this Saturday.

1. NEWSEUM // WASHINGTON, D.C.

The Newseum in Washington, D.C. is an entire museum dedicated to the First Amendment. Celebrating freedom of religion, speech, press, assembly and petition, the museum features exhibits on civil rights, the Berlin Wall, and the history of news media in America. Their latest special exhibitions take a look back at the event of September 11, 2001 and go inside the FBI's crime-fighting tactics.

2. INTREPID SEA, AIR & SPACE MUSEUM // NEW YORK CITY, NEW YORK

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New York's Intrepid Sea, Air & Space Museum doesn’t just showcase America’s military and maritime history—it is a piece of that history. The museum itself is one of the Essex-class aircraft carriers built by the United States Navy during World War II. Visitors can explore its massive deck and interior, and view historic airplanes, a real World War II submarine, and a range of interactive exhibits. Normally, a ticket will set you back a whopping $33 (or $19 for New York City residents), but on Saturday, general admission is free with a Museum Day Live! ticket.

3. AUTRY MUSEUM OF THE AMERICAN WEST // LOS ANGELES, CALIFORNIA

Perfect for art lovers, history buffs, and cinephiles alike, the Autry Museum of the American West (named for legendary singing cowboy Gene Autry) offers up an eclectic mix of art, historical artifacts from the real American West, and Western film memorabilia and props.

4. MUSEUM OF ARTS AND SCIENCES // DAYTONA BEACH, FLORIDA

A massive art, science, and history museum located on a 90-acre nature preserve, the Museum of Arts and Sciences features the largest collection of Florida art anywhere in the world, as well as the largest collection of Coca-Cola memorabilia in all of Florida. Its diverse exhibits are alternately awe-inspiring, informative, and quirky, ranging from an exploration of 2000 years of sculpture art to an exhibition of 19th and 20th century advertising posters.

5. INTERNATIONAL MUSEUM OF THE HORSE AT THE KENTUCKY HORSE PARK // LEXINGTON, KENTUCKY

The International Museum of the Horse explores the history of—you guessed it!—the horse. That might sound like a narrow scope, but the museum doesn’t just display horse racing artifacts or teach you about modern horse breeds. Instead, it endeavors to tackle the 50-million-year evolution of the horse and its relationship with humans from ancient times to modern times.

6. THE PEGGY NOTEBAERT NATURE MUSEUM // CHICAGO, ILLINOIS

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The 160-year-old Peggy Notebaert Nature Museum is pulling out all the stops for this year’s Museum Day Live! In addition to their vast exhibits of animal specimens and cultural artifacts, the museum will be hosting a live animal feeding and a butterfly release throughout the day.

7. OGDEN MUSEUM OF SOUTHERN ART // NEW ORLEANS, LOUISIANA

The Ogden Museum of Southern Art aims to teach visitors about the rich culture and diverse visual arts of the American South. Right now, visitors can view a collection of William Eggleston's photographs and check out the museum's 10th annual invitational exhibition of ceramic teacups and teapots.

8. BALTIMORE MUSEUM OF INDUSTRY // BALTIMORE, MARYLAND

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Located in a 19th century oyster cannery on the Baltimore waterfront, the Baltimore Museum of Industry tells the story of American manufacturing from garment making to video game design. Visitors this weekend can meet video game designers and create custom games at the museum’s interactive “Video Game Wizards” exhibit.

9. SYLVAN HEIGHTS BIRD PARK // SCOTLAND NECK, NORTH CAROLINA

You can meet 2000 birds from around the world this weekend at the 18-acre Sylvan Heights Bird Park. Visitors to the massive garden can walk through aviaries displaying birds from every continent except Antarctica, including ducks, geese, swans, and exotic birds from all over the world.

10. DELTA BLUES MUSEUM // CLARKSDALE, MISSISSIPPI

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Visitors to the Delta Blues Museum can learn about the unique American musical art form in “the land where blues began,” with audiovisual exhibits centered on blues and rock legend Don Nix, as well as Paramount Records illustrator Anthony Mostrom.

11. NATIONAL MUSEUM OF NUCLEAR SCIENCE & HISTORY // ALBUQUERQUE, NEW MEXICO

America’s only congressionally chartered museum dedicated to the story of the Atomic Age, the National Museum of Nuclear Science & History features exhibits on everything from nuclear medicine to representations of atomic power in pop culture. Adult visitors to the museum will delight in its impressively nuanced take on nuclear technology, while kids will love the museum’s outdoor airplane exhibit and hands-on science activities at Little Albert’s Lab.

12. MUSEUM OF THE MOUNTAIN MAN // PINEDALE, WYOMING

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Dedicated to the mountain men who explored and settled Wyoming in the 19th century, the Museum of the Mountain Man brings American folklore and legends to life. The museum features exhibits on the Rocky Mountain fur trade and tells the story of American folk legend and famed mountain man Hugh Glass (the man Leonardo DiCaprio won an Oscar playing in 2015's The Revenant).

13. BESH BA GOWAH ARCHAEOLOGICAL PARK AND MUSEUM // GLOBE, ARIZONA

Arizona’s Besh Ba Gowah Archaeological Park and Museum lets visitors connect with history firsthand. The museum is home to the ruins and artifacts of the Salado Indians who inhabited Arizona from the 13th century through the 15th century, and even lets visitors wander through an 800-year-old Salado pueblo.

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