"Bluey," the Australian children's show, is a global phenomenon. But how did a cartoon for kids become a smash hit with adults, too? Sarina Petersen, who studies social psychology, explains how "Bluey" keeps viewers of all ages hooked with a unique blend of humor, authenticity and nostalgia.

Today's experts often overwhelm parents and guardians with alarming warnings of treacherous roads ahead for their children, sometimes turning dedication into anxiety and obsessiveness. Instead of chasing trends, psychiatrist Mathilde H. Ross recommends trusting your instincts — and picking up a surprising source of simple, positive guidance on bonding and development. Her reassuring message? "You are quite literally evolved for this."

“In the future, companies will succeed or fail based on how much their people enjoy their work,” says management consultant Rosie Sargeant. She offers three tips to make work more joyful, increase employee retention and boost customer satisfaction, suggesting how fun (like kangaroo-themed employee check-ins) can be both professional and profitable.

Karli Büchling hates blood, but she has devoted herself to studying it in the service of women’s health. Exploring centuries of stigma around the study of women’s health, she unveils a bold idea to unlock medical breakthroughs in the field. Join Karli as she prepares and delivers her big idea in a groundbreaking TED Talk — and gets exciting news that could accelerate her research and help millions worldwide. (This episode contains medical imagery)

What happens when the fish that sustain a community start disappearing? Environmental activist Lamin Jassey shares how industrial fish meal factories are devastating local waters, livelihoods and health in The Gambia — and how communities are organizing to defend their coasts and reclaim their future, one catch at a time.

Percy Tussamba was born in Angola, but after a very turbulent time for his family, was forced to leave his home and ended up in the UK. Faced with the challenge of starting a new life in an unfamiliar place, he found a sport that changed his life. Now he wants to share his experience and help build community for other refugees, helping them establish themselves and thrive. Follow along as he prepares and delivers his big idea in a moving TED Talk, bringing him one step closer to making his dream a reality. (This video is part of "My Big Idea," a new series from TED that documents the process of imagining and then creating a TED Talk, featuring first-time speakers and ideas new to the TED stage.)

Would you eat a bug? How about fine-crafted chocolate — shaped like poo? Your answer depends on both your disgust at the prospect and whether you choose to act on that emotion, says political psychologist Cindy Kam. She dives into how the feeling of disgust — whether motivated by real or imagined contamination — can connect or divide us, from everyday decisions to political alliances.

As a mother and occupational therapist, Hazel Cottle knows how important it is for both her kids and her patients to spend time outdoors. It sparks joy, brings people together and improves lives. Yet in the UK, a country where it rains a lot, it can be tempting to stay warm and dry inside the house. Hazel thinks she has the perfect solution to encourage families to get outside — even when it’s wet and dreary. Join Hazel as she prepares and delivers her big idea in a TED Talk — and gets some surprising news that just might bring puddle parks to life.

If you’ve ever wondered how you can give a TED Talk, you’re not alone. TED believes that ideas change everything — and that they can come from unexpected places. So, we issued an open call to anyone in the UK in search of the biggest, boldest and brightest ideas. Out of 500 applicants, 10 were selected to speak at a special in-person TED event in partnership with TEDxBrighton. In this film, you’ll meet all 10 speakers and follow the process of going from an idea in someone's head to an actual TED Talk on the stage. We’re always looking for the next big idea — maybe yours could be next.

Confidence doesn’t come before action — it comes from taking action, says business leader Kat Cole, who worked her way up from waitress to CEO of a global health company. She presents a simple yet powerful practice called the "hot shot rule" to help you step into a leadership mindset, break free from inertia and take decisive action when it matters most.