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Superheroes over the decades, from "Superman" in the 1950s to "The Greatest American Hero" in the 1980s.

Jun Axup, scientific partner and adviser at Indiebio, helps scientists bring their ideas from their labs to the market.

Walking on the roof of the Oslo Opera House; Vikings and their ships; the secret staircase in Oslo's National Theatre; troll legend.

Twisting the spine to liberate the upper body and shoulders; finger exercises help relieve neck and shoulder pain; releasing tension in the hips and spine to stretch and strengthen glutes and hamstrings.

A cleansing breath that flushes the digestive tract.

A song about twos; numbers in Swahili; a book about being "two-gether"; finding pairs.

A 16-year-old runs a fashion recycling business.

Dark Truder steals all the constellations from the sky; the patrollers must return the North Star to the sky.

A gentle seated yoga session using a chair for support, including seated sun salutations and gentle stretches designed to increase range of motion and enhance mobility in the shoulders, upper back, hips and more.

A full-body standing and floor workout stretches and strengthens all muscles and tones the lower body.

Exercises for the brain and body systems including vestibular and lymphatic.

A wild food tour of Barcelona includes the vermouth bar, "coco" desert breads and traditional nut milk shake; a family meal of old-fashioned fish stew; a quick and easy Spanish dish of pork with Spanish olives.

Pork shooters stuffed with shrimp, cheese and andouille sausage; Miami wings; brisket burgers.

Traditional New Orleans calas; jambalaya; Creole rice custard pudding.

Skinning a salami; classic dumpling dish; ricotta quenelles; flounder with lemon butter; saute of rabbit with mushrooms and cream; apples in lemon sauce.

A visit to Giordano's for deep dish pizza in Chicago's South Side with Jason Mayden, designer of the Nike Air Monarch.

A woodsy scene with fog and waterfalls.

Making the most out of space, both inside and out.

Book page glass dishes; smash book; mixed media brooch; book page matting.

A guided tour of Nelder Grove, a hidden grove of giant sequoia redwoods in the Sierra National Forest in California.

Craig Nutt's wooden chairs, tables and sculptures feature corn, butter beans and other vegetables as legs, stretchers and back rests.

French horn makers and musicians Rick and Celeste Seraphinoff.

Dark Truder traps Multo, Bula and Zeeter when they investigate a vanishing lake; a doo-wop group needs help to enter a Battle of the Bands contest.

Young entrepreneurs; setting up a savings account; a program rescues street kids and gets them back into education and business.

Measures to restore a healthy habitat for ruffed grouse; agrivoltaics; combating pollution caused by agricultural runoff; Beaver Corps; protecting North Atlantic right whales.

Healthy living program focused on nutrition, alternative medicine, fitness and wellness trends.

Retirement saving strategies; starting a business.

Prevention to cure, the groundbreaking world of Japanese medical technology and healthcare, from food and exercise to the latest treatments.

Interviews with world leaders and newsmakers.

A student developed program series that highlights volunteerism and ways to help other residents of Central Florida.

A brutal slaughter leaves Phryne outraged.

Our Vanishing Florida Americana showcases photographer Mike Lassiter's quest to capture the essence of Florida's back roads, coastlines, and main streets.

A journey through two centuries of history of the Florida Keys, from the planting of the U.S. flag on Key West in March 1822 to shipwrecks and pirates, natural disasters and restoration and renewal.

Harvard professor Evelynn Hammonds shares why she went from physics to the history of science; artist Janet Echelman shares the importance of finding one's own voice.

The Azuero Peninsula in southern Panama.

A brutal slaughter leaves Phryne outraged.

Our Vanishing Florida Americana showcases photographer Mike Lassiter's quest to capture the essence of Florida's back roads, coastlines, and main streets.

A journey through two centuries of history of the Florida Keys, from the planting of the U.S. flag on Key West in March 1822 to shipwrecks and pirates, natural disasters and restoration and renewal.

Harvard professor Evelynn Hammonds shares why she went from physics to the history of science; artist Janet Echelman shares the importance of finding one's own voice.

The Azuero Peninsula in southern Panama.

A Taiwanese-American farmer is inspired by her childhood dishes; a look into the nutritional benefits of culturally significant foods like bitter melon; a farm is led by women; tour an apple farm.

Divers map shipwrecks in the Florida Keys; explorers scan objects buried beneath the seafloor.

Working the spine through flexion, extension, lateral and rotational movements; stretching tight glutes and hamstrings; exercises for ankle mobility to help increase walking and running speed.

Using tactile stimulation to increase circulation.

Aligning shoulders and engaging the upper back; poses that integrate the upper body, front and back -- plank, yoga push-up and cobra.

Investigating acids and bases; making and testing pH indicator paper; food quality assurance manager Kelly Stano.

Recognizing a scam; protection from identity theft; pyramid schemes.

Dark Truder hides a magnet in a cloud to render the Zula Patrol ineffective; explorers from Polkadottia make an emergency landing on Zula.

Gentle stretches and flowing movements help transform heavy emotional energy into inspiration and inner peace.

Focusing on creating a stronger core while entirely seated in a chair.

Large sweeping movements and specific isolation exercises stabilize muscles and joints and rebalance the body, liberating the shoulders and improving overall posture.

Various exercises ranging from vestibular system to feet and gait.

Sole meuniere and the vegetarian napa cabbage meuniere, both accompanied with chive rice; Vesper cocktail; the non-alcoholic cocktail, James Bondi.

Three women chefs in the Pacific Northwest; the founder of Pared; Robert Wang, inventor of the Instant Pot; chef Lucas Sin, founder of Junzi Kitchen.

Probiotic cabbage and chicken stew; tarhana soup with spiced red pepper puree, Greek yogurt and olive oil; probiotic sandwich.

Sampling sea scallops in New Bedford, Mass.; artisanal spirits distilled in Plymouth; fresh produce from Fowler Clark Epstein Farm; seared scallops and fava bean stew served with saffron rice and chapati.

Building an ice cream cake; the unexpected powers of melting ice.

A large, detailed farmhouse.

The chill of autumn is felt creeping in on the banks of a winding creek in this foggy, early morning landscape.

The Flower Fields in California; fields to grow in a home garden; flowers to hang on a wall; a flatbread flower field.

A whole conservatory of plants spruced up for Christmas.

Envision Dallas teaches the blind and visually impaired how to sew articles for the U.S. military.

Garden to table recipes; making beeswax candles; creating candle holders and elements for a table setting.

The water striders have trouble keeping themselves on top of the water; Princess Marina's crown is stolen.

Anti-gravity balls; poised pennies; centripetal spinner.

Former news reporter John Pruitt talks about how he used his life as inspiration for "Tell It True: A Novel" and how he included specific details about television news production in it.

A look at stories and news from Europe and what drives the people, from their social, cultural and political views to their hopes and fears.

Financial windfall; planning for age-related health challenges.

A 54-year-old Black woman with vitiligo finally finds the support she needs when she opens up to her family about her condition; chronic spontaneous urticaria (CSU), a condition in which red, itchy welts develop all over the body.

Painting a courtyard.

Scientists use satellite tags and DNA forensic tools to track tiger sharks and to investigate the shark fin trade.

Felix is Police Advisor on set of the latest "Oh! Do Behave!" picture; Felix is soon called to action once the abrasive director Sexton St Juste is found strangled.

Father Brown must delve into the past and open up old wounds when a child killer is found murdered.

Just as it seems Jean and Dom's relationship may be moving towards romance, his estranged wife reappears in town after a long absence and wants to make amends with her family.

The culture, music, food and dance of Harlem, N.Y.

"A Gunshot's Cry" weaves spoken word with found footage to evoke visceral perspectives on gun fatalities; "Grasping at Stars"; "In Water.".

Felix is Police Advisor on set of the latest "Oh! Do Behave!" picture; Felix is soon called to action once the abrasive director Sexton St Juste is found strangled.

Father Brown must delve into the past and open up old wounds when a child killer is found murdered.

Just as it seems Jean and Dom's relationship may be moving towards romance, his estranged wife reappears in town after a long absence and wants to make amends with her family.

The culture, music, food and dance of Harlem, N.Y.

"A Gunshot's Cry" weaves spoken word with found footage to evoke visceral perspectives on gun fatalities; "Grasping at Stars"; "In Water.".

The three-way relationship among mind, art and transcendence.

Pilots travel around the Caribbean.

Keeping the glutes toned and strong can relieve back pain and prevent injury; working on feet and hip alignment; moving in ways to increase range of motion.

Simple exercises to relieve a stiff, tense neck.

Wimee sings a song and writes a story with his friends; a song about yellow things; a book about the sun; a song in Spanish about the color yellow.

The importance of the value of money.

Gorga searches for a new home; the Zula Patrol must deliver the torch to the Milky Way Galaxy Games in time for the opening ceremony.

Zach and Charlie try out paddle boards, kayaks, canoes and personal watercraft; important safety steps to take before getting in the water.

Albie visits a visual artist who uses light and dark to tell stories and is inspired to create her own light show; Albie visits with best friends who have mastered sharing.

Freddie learns creative reuse techniques to build a high-tech luxury birdhouse.

Codie accidentally floats away; Mia helps Codie grow with code; a baby bird falls out of its nest.

Ginger challenges the Baby Pea-Rexes to a race around Vegesaur Valley with no rules; first one in the waterhole wins.

Efforts to save the Snake River's sockeye salmon and the movement to remove the river's four dams.

An Alaskan cruise makes its first stop in Juneau, where dogs are trained for the Iditarod at the Sled Dog Discovery & Musher Camp; Sealaska Heritage Institute; Glacier Bay National Park and Preserve; whale watching in Ice Strait Point.

Author and horticulturist Brie Arthur shows unorthodox methods that may produce big results in the home garden.

Scuba diving scientists study the threat to coral in the U.S. Virgin Islands.

Author Simon Sinek talks about his vision to help a new generation "find their why" and the source of meaning and purpose in their professional career.

St. Louis Cemetery No. 1 in New Orleans, a Catholic cemetery with multicultural roots; Asian immigration; tombs include Madame Marie Laveau, activist Homer Plessy, chess master Paul Morphy and a mysterious pyramid for actor Nicolas Cage.

American bison graze on the plains.

What it takes for a non-releasable animal to join the team of wildlife ambassadors at the Wildlife Center of Virginia.

Learning the art of making pizza at home at King Arthur Baking Company in Vermont; glazed crullers at Lou's Restaurant; rowing with Olympic gold medalist and Dartmouth College head coach Wyatt Allen.

Wheel the World in Decatur; Huntsville's Paralympic cycling events; Noccalula Falls; Little River Canyon; history in Helen Keller's hometown; wheelchair-friendly attractions; accessible dining.

Touring four castles -- Chenonceau, Chambord, Cheverny and Villandry; feeding hunting dogs; local cuisine; a princely garden.

A group of amateur paleontologists and friends travel to amazing fossil sites around Florida.

Chef Cora thinks about ingredients needed to make food for the hungry Beeples; Dev takes a job as an air traffic controller.

The World War II fighter F4U Corsair; an introduction to aerobatics.

A health clinic that has been in practice for more than 500 years; riding a bike atop the ancient City Wall; Terracotta Warriors; Yuan Ji Village; Muslim Street.

Financial roadblocks facing women; white collar-blue collar couple financial issues.

Restaurateur Michael Stewart and his business partner, baseball manager Joe Maddon; celebrity chef Robert Hess offers insight into his weight loss journey.

Parents worried about eviction in Columbus, Ohio, a blended family in Seattle and a cancer survivor in New Orleans need immediate help to turn their financial lives around.

The evolution of the mega-city includes visits to Tokyo, Japan, Delhi, India, Seoul, Korea and Bangkok, Thailand.

The men convert vehicles to run on firewood; Bill tries trapping; Red makes a self-cooling chair; Harold discusses film directors.

The sleepy Saskatchewan town of Dog River is in the middle of nowhere, and the residents like it that way just fine. Brent's the guy who owns the only gas station around, and it happens to be attached to the only coffee shop. Police officers Davis and Karen are always on the prowl in this little nook of a prairie town.

The sleepy Saskatchewan town of Dog River is in the middle of nowhere, and the residents like it that way just fine. Brent's the guy who owns the only gas station around, and it happens to be attached to the only coffee shop. Police officers Davis and Karen are always on the prowl in this little nook of a prairie town.

The social climber's (Patricia Routledge) sister discovers her memoirs.

Edina needs minor surgery, so Patsy tags along for a face lift.

When Edina's father passes away, Saffy is upset that her mother is more concerned about her weight than his death.

The outlaws find themselves in choppy waters; a campaigner is rejected by the very cause to which she dedicated her life; a decision is made about the outlaw's sudden windfall.

The men convert vehicles to run on firewood; Bill tries trapping; Red makes a self-cooling chair; Harold discusses film directors.

The sleepy Saskatchewan town of Dog River is in the middle of nowhere, and the residents like it that way just fine. Brent's the guy who owns the only gas station around, and it happens to be attached to the only coffee shop. Police officers Davis and Karen are always on the prowl in this little nook of a prairie town.