Discovery

By BBC World Service

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Explorations in the world of science.

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Exercise

10.07.2019

Can exercise help people living with Parkinson’s, a neurodegenerative condition, with symptoms such as loss of balance, difficulty walking and stiffness in the arms and legs. Jane Hill travels to the Netherlands to meet Mariëtte Robijn and Wim Rozenberg, coaches ...

Discovery episodes:

10.14.2019 Early diagnosis and research James Parkinson described a condition known as the “shaking palsy” over 200 years ago. Today there are many things that scientists still don’t understand explaining why diagnosis, halting the progression or finding a cure for Parkinson’s can seem elusive. But ...
10.07.2019 Exercise Can exercise help people living with Parkinson’s, a neurodegenerative condition, with symptoms such as loss of balance, difficulty walking and stiffness in the arms and legs. Jane Hill travels to the Netherlands to meet Mariëtte Robijn and Wim Rozenberg, coaches ...
09.30.2019 Living with Parkinson's BBC newsreader Jane Hill knows all about Parkinson’s. Her father was diagnosed in t1980s and lived with the condition for ten years — her uncle had it, too. She’s spoken about the dreadful experience of watching helplessly as the two ...
09.23.2019 Preventing pesticide poisoning Thanks to a ban on several hazardous pesticides Sri Lanka has seen a massive reduction in deaths from pesticide poisoning, and the World Health Organisation is recommending other countries should follow this example. As Health Correspondent Matthew Hill discovers, hospitals ...
09.16.2019 The power of peace “Nature red in tooth and claw”. “Dog eat dog”. “Fighting for survival". You may well think that the natural world is one dangerous, violent, lawless place, with every creature out for itself. And it can be, but it can also ...
09.09.2019 The power of petite Bigger is better, right? An ancient lore in biology, Cope's rule, states that animals have a tendency to get bigger as they evolve. Evolution has cranked out some absolutely huge animals. But most of these giants are long gone. And ...
09.02.2019 The power of deceit Lucy Cooke sets out to discover why honesty is almost certainly not the best policy, be you chicken, chimp or human being. It turns out that underhand behaviour is rife throughout the animal kingdom, and can be a winning evolutionary ...
08.26.2019 Patient Undone Professor Deborah Bowman reveals how a diagnosis of cancer has transformed her view of medical ethics and what it means to be a patient. As Professor of Ethics and Law at St George's, University of London, Deborah has spent the ...
08.19.2019 The Great Science Publishing Scandal Matthew Cobb, Professor of Zoology at the University of Manchester, explores the hidden world of prestige, profits and piracy that lurks behind scientific journals. Each year, hundreds of thousands of articles on the findings on research are published, forming the ...
08.12.2019 Erica McAlister Dr Erica McAlister, of London's Natural History Museum, talks to Jim Al-Khalili about the beautiful world of flies and the 2.5 million specimens for which she is jointly responsible. According to Erica, a world without flies would be full of ...
08.05.2019 Richard Peto When Sir Richard Peto began work with the late Richard Doll fifty years ago, the UK had the worst death rates from smoking in the world. Smoking was the cause of more than half of all premature deaths of British ...
07.29.2019 Lovelock at 100: Gaia on Gaia James Lovelock is one of the most influential thinkers on the environment of the last half century. His grand theory of planet earth, Gaia, the idea that from the bottom of the earth's crust to the upper reaches of the ...
07.22.2019 What next for the Moon? The Moon rush is back on. And this time it’s a global race. The USA has promised boots on the lunar surface by 2024. But China already has a rover exploring the farside. India is on the point of sending ...
07.15.2019 Irene Tracey on pain in the brain Pain, as we know, is highly personal. Some can cope with huge amounts, while others reel in agony over a seemingly minor injury. Though you might feel the stab of pain in your stubbed toe or sprained ankle, it is ...
07.08.2019 Paul Davies on the origin of life and the evolution of cancer Physicist Paul Davies talks to Jim al-Khalili about the origin of life, the search for aliens and the evolution of cancer. Paul Davies is interested in some of the biggest questions that we can ask. What is life? How did ...
07.01.2019 Can psychology boost vaccination rates? In the 1950s a batch of polio vaccine in the US was made badly, resulting in 10 deaths and the permanent paralysis of 164 people. Paul Offit, a paediatrician in Philadelphia, says the disaster did not turn people away from ...
06.24.2019 Global attitudes towards vaccines Global attitudes towards vaccinations are revealed in the Wellcome Trust’s Global Monitor survey. Our guide through the new data is Heidi Larson, Professor of Anthropology, Risk and Decision Science at the London School of Hygiene and Tropical Medicine who also ...
06.17.2019 Why do birds sing? "What happens to the human voice as we age? If I hear a voice on the radio, I can guess roughly how old they are. But singer's voices seem to stay relatively unchanged as they age. Why is this?" All ...
06.10.2019 Does infinity exist? “Is anything in the Universe truly infinite, or is infinity something that only exists in mathematics?” This question came from father and son duo from Edinburgh in Scotland, Tom and Sorely Watson. First, we investigate the concept of infinity in ...
06.03.2019 Why do we get déjà vu? 4/6 Part 1: Déjà vu "Do we know what causes déjà vu?" asks Floyd Kitchen from Queenstown in New Zealand. Drs Rutherford and Fry investigate this familiar feeling by speaking to world-leading reseacher Chris Moulin from the University of Grenoble ...
05.27.2019 Will we ever find alien life? 3/6 In this instalment of The Curious Cases of Rutherford & Fry, Hannah and Adam boldly go in search of scientists who are hunting for ET, spurred on by questions sent in by listeners across the globe, from Australia to ...
05.20.2019 Why people have different pain thresholds 2/6 "How fast can a human run and would we be faster as quadrapeds?" This question flew in via Twitter from Greg Jenner. Is there a limit to human sprinting performance? In this episode we investigate the biomechanics of running, ...
05.13.2019 How do instruments make music? 1/6 "We play many musical instruments in our family. Lots of them produce the same pitch of notes, but the instruments all sound different. Why is this?" asks Natasha Cook aged 11, and her Dad Jeremy from Guelph in Ontario, ...
05.06.2019 A sense of time Our senses create the world we experience. But do animals have a ‘sense’ of time, and does that differ between species, or between us and other animals? We know that animal senses reveal a wealth of information that humans can't ...
04.29.2019 Cat Hobaiter on communication in apes Dr Catherine Hobaiter studies how apes communicate with each other. Although she is based at the University of St Andrews in Scotland, she spends a lot of her time in the forests of Uganda, at the Budongo Research Centre. There, ...
04.22.2019 Carlo Rovelli on rethinking the nature of time Carlo Rovelli is a theoretical physicist who became a household name when his book Seven Brief Lessons on Physics became an unexpected international bestseller. His concise, and poetic, introduction to the laws and beauty of physics has sold more than ...
04.15.2019 Corinne Le Quéré on carbon and climate Professor Corinne Le Quéré of University of East Anglia talks to Jim Al-Khalili about tracing global carbon. Throughout the history of planet Earth, the element carbon has cycled between the atmosphere, the oceans and the biosphere. This natural cycle has ...
04.08.2019 Ken Gabriel on why your smartphone is smart Jim Al-Khalili talks to Ken Gabriel, the engineer responsible for popularising many of the micro devices found in smartphones and computers. Ken explains how he was inspired by what he could do with a stick and a piece of string. ...
04.01.2019 Donna Strickland and extremely powerful lasers Donna Strickland tells Jim Al-Khalili why she wanted to work with lasers and what it feels like to be the first woman to win a Nobel Prize for Physics in 55 years. When the first laser was built in 1960, ...
03.25.2019 Unbottling the past Imagine finding a notebook containing the secret recipes of some of the world’s most iconic perfumes? Formulas normally kept under lock and key. That’s what happened to medical research scientist and trained chemist Andrew Holding. His grandfather Charles “Rex” Holding ...
03.18.2019 California burning When Paradise burned down last year, it made the Camp Fire the most destructive and deadly in Californian history. A few months earlier the nearby Ranch Fire was the largest. In southern California, a series of chaparral fires have brought ...
03.11.2019 ShakeAlertLA - California’s earthquake early warning system Los Angeles is a city of Angels, and of earthquakes. Deadly earthquakes in 1933, 1971 and 1994 have also made it a pioneer in earthquake protection – for example with tough engineering standards to save buildings. Since 2013, with the ...
03.04.2019 From the Cold War to the present day For more than 100 years chemical weapons have terrorised, maimed and killed soldiers and civilians alike. As a chemist, the part his profession has played in the development of these weapons has long concerned Andrea Sella, professor of chemistry at ...
02.25.2019 From the Crimean War to the end of World War Two In the first of two programmes he looks back to the first attempts to ban the use of chemical weapons at the end of the 19th century. Heavily defeated in the Crimea, Russia succeeded in getting unanimous agreement at the ...
02.18.2019 Tracks across time In a dry creek bed in the middle of the Australian outback is a palaeontological prize like no other: 95-million-year-old footprints stamped in a sandstone slab by three species of dinosaur. One of the beasts was a massive, lumbering sauropod ...
02.11.2019 Trouble in paradise The atoll of Tetiaro is a string of tiny islands in French Polynesia, about 60km away from Tahiti. The islands – known as ‘motus’ to local Polynesians – are unique ecosystems that are crucial nesting sites for native seabirds. But ...
02.04.2019 Back from the Dead The Night Parrot was supposed to be extinct and became a legend among birdwatchers in Australia: a fat, dumpy, green parrot that lived in the desert and came out at night. The last bird seen alive was promptly shot dead ...
01.28.2019 Eye in the Sky On this mission, SOFIA is setting out to study Titan, Saturn’s biggest moon, by flying into the faint shadow that it casts as it blocks the light from a faraway star. It’s a phenomenon called an occultation, and if the ...
01.14.2019 Kepler's Snowflake The Six Cornered Snowflake, a booklet written by Johannes Kepler as a New Year's gift, sought to explain the intricate and symmetrical shape of winter's tiny stars of snow. His insightful speculations about minerals and geometry were the beginning of ...
01.07.2019 Lucretius, Sheep and Atoms 2000 years ago Lucretius composed a long poem that theorised about atoms and the natural world. Written in the first century BCE, during a chaotic and frightening time when the Roman Republic was collapsing, Lucretius encouraged people to feel free ...
12.31.2018 Eddington's eclipse and Einstein's celebrity Philip Ball's tale is of a solar eclipse 100 years ago observed by Arthur Eddington, a British astronomer who travelled to the remote island of Principe off the coast of West Africa and saw the stars shift in the heavens. ...
12.24.2018 Earthrise On Christmas Eve in 1968 Bill Anders was in orbit around the moon in Apollo 8 when he took one of the most iconic photos of the last fifty years: Earthrise. The image got to be seen everywhere, from a ...
12.17.2018 The Supercalculators Alex Bellos is brilliant at all things mathematical, but even he can't hold a candle to the amazing mathematical feats of the supercalculators. Alex heads to Wolfsburg in Germany to meet the contestants at this year's Mental Calculation World Cup. ...
12.10.2018 The China Syndrome Plastic waste and pollution have become a global problem but is there any sign of a global solution? And how did we allow this to happen in the first place? Materials scientist and broadcaster, Professor Mark Miodownik, explores how we ...
12.03.2018 How Much Plastic Can We Recycle? Plastics are fantastically versatile materials that have changed our lives. It is what we do with them, when we no longer want them, that has resulted in the global plastic crisis. Mark Miodownik explores our love hate relationship with plastics. ...
11.26.2018 Why We Fell In Love with Plastic Plastic waste and pollution have become a global problem but is there any sign of a global solution? And how did we allow this to happen in the first place? Materials scientist and broadcaster, Professor Mark Miodownik, explores how we ...
11.19.2018 Finding the Coelacanths The first Coelacanth was discovered by a woman in South Africa in 1938. The find, by the young museum curator, was the fish equivalent of discovering a T- Rex on the Serengeti, it took the Zoological world by storm. Presenter ...
11.12.2018 The Big Bang and Jet Streams Evidence for the big bang was initially thought to be a mistake in the recording. Jet streams in the upper atmosphere were revealed by the dust emitted by Krakatoa and a collection of interested citizen scientists. In the second three ...
11.05.2018 Viagra and CRISPR Viagra’s effects on men were first discovered as an unexpected side-effect during trials for a medication meant to help patients with a heart condition. CRISPR cas– 9 is now a tool that can be used to modify and replace genes ...
10.29.2018 Tracking the First Animals on Earth What were the earliest animals on Earth? The origin of the animal kingdom is one of the most mysterious chapters in the evolution of life on Earth. Our animal ancestors appeared and began to diversify about half a billion years ...

Older episodes

Discovery

What's Discovery about?

Download our free app to listen on your phone

Discovery episodes:

Early diagnosis and research

Exercise

Living with Parkinson's

Preventing pesticide poisoning

The power of peace

The power of petite

The power of deceit

Patient Undone

The Great Science Publishing Scandal

Erica McAlister

Richard Peto

Lovelock at 100: Gaia on Gaia

What next for the Moon?

Irene Tracey on pain in the brain

Paul Davies on the origin of life and the evolution of cancer

Can psychology boost vaccination rates?

Global attitudes towards vaccines

Why do birds sing?

Does infinity exist?

Why do we get déjà vu?

Will we ever find alien life?

Why people have different pain thresholds

How do instruments make music?

A sense of time

Cat Hobaiter on communication in apes

Carlo Rovelli on rethinking the nature of time

Corinne Le Quéré on carbon and climate

Ken Gabriel on why your smartphone is smart

Donna Strickland and extremely powerful lasers

Unbottling the past

California burning

ShakeAlertLA - California’s earthquake early warning system

From the Cold War to the present day

From the Crimean War to the end of World War Two

Tracks across time

Trouble in paradise

Back from the Dead

Eye in the Sky

Kepler's Snowflake

Lucretius, Sheep and Atoms

Eddington's eclipse and Einstein's celebrity

Earthrise

The Supercalculators

The China Syndrome

How Much Plastic Can We Recycle?

Why We Fell In Love with Plastic

Finding the Coelacanths

The Big Bang and Jet Streams

Viagra and CRISPR

Tracking the First Animals on Earth

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