The segment focuses on the alien striped iguanas of the Galapagos Islands, albinism in a variety of animals, and the peppered moth.

Natalie Tran filmed this video on her world trip with Lonely Planet. Desperately in need of a home-cooked meal, she sees what can be done with basic hotel amenities.

Listen to “Black & White” by INXS, an Australian rock band from Sydney, New South Wales. They sold over 70 million albums worldwide, making them one of Australia's highest selling music acts of all time.

Canadian rock band Simple Plan performs Summer Paradise, a reggae and ska punk-based track inspired by the band vocalist's hobby of surfing. One reviewer commented: It’s a quintessential summer track, with all the hooks and melodies to make you feel like you’re either at the beach, or on your way there having the time of your life.

Bee and Flower is a band founded in New York City by singer-songwriter, bassist, animator, illustrator, composer and producer Dana Schechter. Here's a live performance of their song "Twin Stars."

Rachael, Julia, and Maggie talk about a fun party they attended the night before. Julia may even have found a boyfriend.

Plastic pollution poses one of the biggest known threats to the ocean and all related ecosystems. Pollution comes in many forms, and agriculture is one important key to bringing about necessary change. All of us are key players, since we all eat food.

Listen to the debut solo single “Sign of the Times” by Harry Styles, formerly of the boy band One Direction.

Sigrid talks to us while preparing some simple vegetables for dinner on her terrace in Italy. Fresh green beans, also known as "string beans," are the centerpiece of the meal.

Made in Dagenham tells the story of women and their fight for equal pay at a Ford plant in Dagenham, England in the 1960s. The film centers around Rita O'Grady, a shop steward, who leads the women machinists to strike.

Meghan and Harry talk about their relationship in and out of the public eye. Harry places a lot of emphasis on the royal family being a team and how Meghan is perfectly suited for it.

Thomas invites Julia to a cafe. She's nervous beforehand and almost calls it off, but Rachael and Maggie help her maintain her confidence and pick out a nice outfit.

Written by John as an expression of his love for Yoko Ono, the song is heartfelt and passionate. As John told Rolling Stone magazine in 1970, “When it gets down to it, when you’re drowning, you don’t say, ‘I would be incredibly pleased if someone would have the foresight to notice me drowning and come and help me,’ you just scream.”

R.E.M. talk about the creative process involved in the making of their albums. Collapse Into Now, their final album, was produced by Jacknife Lee, who has also worked with artists such as U2 and The Killers.

The last segment focuses on Australia. We visit the Warrawong Earth Sanctuary, where there are breeding programs to reintroduce such indigenous animals as bandicoots and quolls, creatures that came close to extinction.