People are increasingly interested in seeing animals in natural settings, so traditional jail-like zoos are giving way to open-plan zoos, and to eco-tourism.

Barbary macaques are among the most popular tourist attractions in Gibraltar. The apes have a taste for junk food, which enables tourists to see them up close and allows scientists to easily capture them for research.

We leave the macaques in Gibraltar to travel to the Galapagos Islands to learn about marine and land iguanas.

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

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.

The honey badger is described as the most fearless animal on the planet. Although barely a foot tall, they have a reputation for attacking just about anything—from venomous snakes to full-grown lions. And they are not exactly meant for captivity: Stoffel the honey badger escapes from his enclosure regularly using anything from balls of mud to a rake.

Theresa May gives her first speech as Britain's new prime minister, outlining her priorities for the UK with a focus on domestic issues.

Prince Harry and Meghan Markle talk about how they met, their magical camping trip to Botswana, and how he popped the question.

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.

This segment of the BBC interview with Prince Harry and Meghan Markle focuses on how Meghan's life has changed as she leaves acting behind and gets ready to take on a role in the royal family.

Meghan and Harry talk about meeting each other's families, and the design of the engagement ring, which includes diamonds that belonged to Princess Diana.

More than 800 million people around the world use the social media video platform TikTok. However, some governments around the world are concerned that the Chinese-owned app allows the Chinese government to access people's data.

The European Union says it will begin shipping arms to Ukraine. This is the first time in its history that it has supplied arms in a conflict.

President Vladimir Putin has put Russia's nuclear forces on high alert. The theory is that the possibility of mutually assured destruction is the strongest of reasons not to press the button. But the pressure is mounting.

Strict water restrictions come into force for millions of people in California as the US west coast continues to experience a crippling drought.