753 episodes

Explorations in the world of science.

Discovery BBC World Service

    • Science
    • 4.4 • 906 Ratings

Explorations in the world of science.

    The Evidence: Salt

    The Evidence: Salt

    For eons, salt has been crucial to human health, culture, and diet. On this episode of The Evidence, we explore the strange science of salt taste – why it can be sweet, salty, or even a flavour enhancer. We look at how salt keeps our bodies running, and what happens if we have to little of it. And while too little salt may be bad, too much is also a problem. What does the science say about how much salt is optimal, and what can we do to make sure we’re eating the right amount? Claudia Hammond is joined by a panel of salty experts who will help find the answers to these questions and more.

    • 49 min
    Fed: Fine Print

    Fed: Fine Print

    Do YOU know what you're eating? Are you sure?
    Dr Chris van Tulleken is keen to make good food choices, and buy the best chicken possible for his dinner. High welfare, tasty, and good for the environment, ideally. But it's not as easy as that. How CAN he make good food choices if he has no idea what he's buying?
    Chris explores what we actually know about the food we buy, and to what extent we can trust what's on a label.
    He also uncovers the startling truth about two very different ways that we buy chicken - lifting the lid on why sometimes, even the most moral meat shoppers turn a blind eye...

    • 26 min
    Fed: The Ethical Consumer's Dilemma

    Fed: The Ethical Consumer's Dilemma

    We’ve heard about the potential problems around chicken welfare. But how does that square with their impact on the environment?
    Dr Chris van Tulleken finds out what it takes to produce the most eco-friendly chicken meat possible. And makes a devastating discovery. Welfare concerns, and environmental credentials, often pull in OPPOSITE directions. Does he want to eat the happiest birds, or the ones kindest to the planet?
    Halfway through his poultry quest, Chris remains massively conflicted: he loves chicken, but some of what he’s discovered makes him question how much he eats it. Will he still be able to look at it the same way as he goes deeper down the rabbit hole? And more importantly, should he keep serving it up to the family?

    • 26 min
    Fed: U OK Hen?

    Fed: U OK Hen?

    We eat chicken. A LOT of it. We might love the taste, but what about how we're treating those birds?
    After witnessing first-hand the reality of indoor chicken farming - how most of the chicken we eat is raised - Dr Chris van Tulleken wants to know: are the birds happy enough, or is our method of rearing cheap chicken actually cruel?
    If so, what’s the ‘happier’ alternative – and do carnivores like Chris care enough to pay the price for that, or does a love of meat ultimately trump ethics?
    Chris battles with his conscience, and finds the answer hard to stomach.

    • 26 min
    Fed: A Chicken and Egg Story

    Fed: A Chicken and Egg Story

    So we started farming this bird called chicken, and it spread around the world. But what does it actually TAKE to feed us the amount of chicken we want to consume?
    100 years ago this was a scrawny, egg-laying bird, only good for a stew once her eggs ran out – no one ate chicken meat. Fast forward to today and it’s the most consumed protein on the planet. How did we come to eat it in the first place, and what are the consequences of producing chicken meat on the vast, industrial scales we now consume it?
    Dr Chris van Tulleken uncovers the extraordinary accident of history that birthed a new industry, and changed the way we eat – and think about – meat forever.

    • 26 min
    Fed: The invention of chicken

    Fed: The invention of chicken

    Dr Chris van Tulleken is on a mission to find out what we’re eating, why, and who or what might be influencing our decisions. And he’s starting his quest to uncover food truths with the most eaten meat in the world, and one of the most numerous animals on our planet: chicken.
    He’s recently been forced to confront a serious gap in his food knowledge - what happens before it gets to our plates - and has decided this, the world’s most popular meat, is an ideal starting point.
    Chris’ initial investigations reveal the vast scale of modern chicken consumption; and how a once revered jungle fowl was manipulated to become a modern food success story, a fast-growing heavy-breasted beast to feed the masses.
    Now, he's torn: is this a triumph of human ingenuity – or the creation of a monster?

    • 26 min

Customer Reviews

4.4 out of 5
906 Ratings

906 Ratings

mkcheshire ,

Good podcast overall

What with the annoying noise between show and ads? It;s enough to make me unsubscribe. I have very sensitive ears.

marketpop ,

Sperm Counts

Nature’s way of controlling over breeding which is the primary cause of the decimation of the earth. Its a great sign. No harm no foul.

blindGuyJoe ,

Hannah is back!

Lovely narraration of Uncharted!

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