Fighters make the ultimate sacrifices to pursue their dream of becoming champions. As their careers come to an end, they face their toughest fight - stepping away from the ring and adjusting to life after boxing.

For years, researchers have overlooked the naked mole rat, an elusive rodent that lives underground. But now they believe they may help humans live longer, healthier lives. Follow scientists around the globe as they study these remarkable rodents in labs and in their natural habitat, tracking their mating habits, testing their blood, and decoding their genome in an ongoing quest to combat age-related illnesses and even aging itself.

We live on an ever-moving planet, and as landscapes are altered, wildlife must march to its rhythm. Driven by instinct, they follow the maps hardwired into their DNA. Some run, some fly, but most swim.

In 1999, Gail Porter was one of the UK's most sought-after female TV presenters. Most famously, she helped sell over a million copies of FHM magazine after her naked image was projected onto the Houses of Parliament. Then over the next 20 years, things took a turn for the worse: she suffered post-natal depression, alopecia and was sectioned under the mental health act. In 2014 she even ended up sleeping rough on a park bench. How did this happen?

Celebrating the men whose vocal stylings have carried the torch for soul across six decades. It showcases the rarely seen but infectious Brenton Wood's Gimme Little Sign and offers the velvet voice of Curtis Mayfield singing Keep On Keeping On. There are groundbreaking artists from the '60s to the noughties, with performances from Billy Preston, Bill Withers, Billy Ocean, Alexander O'Neal, Barry White, Bobby Womack and many more.

In light of the Covid-19 global outbreak, Professor Laura Ashe takes a look back at the Black Death of the 14th century, the deadliest pandemic in human history.

The untold secret story of World War II. No matter how many soldiers or how clever the generals or how daring the strategy, a war cannot be won if there are not enough bullets and steel and planes and food and tanks.

Maya legend tells us that there is a hidden underground cave below Chichen Itza, now high tech archaeologists are here to find the buried truth.

In the shadow of Snowdon, 26-year-old Teleri Fielden is given an opportunity to fulfil her dream of becoming an upland hill farmer. She's won a scholarship to run the beautiful National Trust farm, Llyndy Isaf near Beddgelert, for a year covering more than 600 acres of mostly mountainside stocked with sheep and cattle.

Highlights from the programme in which Susan Calman takes a lighthearted jaunt around her homeland to uncover the untold tales behind some of Scotland's most famous locations. She visits romantic and rugged locations, and takes an in-depth look at their history, people and exciting treasures, often receiving private tours of iconic Scottish spots and uncovering hidden secrets of the past and present. From quiet countryside to brooding coastlines, this love letter to Scotland demonstrates the best of what the country has to offer. This week Susan visits Orkney, Skye and Arran.