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Discovery

BBC World Service

Explorations in the world of science.

science

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27:34

The Case of The Missing Gorilla

Discovery ·

2022/10/10

DO WE HAVE YOUR ATTENTION?Good! But how does that work!?Our intrepid science sleuths explore why some things immediately catch your eye - or ear - while others slip by totally unnoticed. Even, on occasion, basketball bouncing gorillas.Professor Polly Dalton, a psychologist who leads The Attention Lab at Royal Holloway University, shares her surprising research into ‘inattentional blindness’ - when you get so absorbed in a task you can miss striking and unusual things going on right in front of

27:50

Chi Onwurah

Discovery ·

2022/10/03

Chi Onwurah tells Jim Al-Khalili why she wanted to become a telecoms engineer and why engineering is a caring profession.As a black, working class woman from a council estate in Newcastle, she was in a minority of one studying engineering at university in London and encountered terrible racism and sexism. She went on to build digital networks all over the world, the networks that make today's instant muli-media communications possible. And Chi built the first mobile phone network in Nigeria, when

50:49

The Evidence: How pandemics end

Discovery ·

2022/10/01

Six and a half million dead. More than a hundred times that infected. The Covid-19 pandemic has wreaked havoc across the globe. But in the final months of the third year of this health crisis, some now claim it’s all over.Scientists with key roles in the global response join Claudia Hammond to consider the evidence behind the declarations that the pandemic has finished and they set out how, officially, this global health crisis will be brought to an end. They reject claims that the pandemic is over,

27:47

David Eagleman

Discovery ·

2022/09/26

Literature student turned neuroscientist, Prof David Eagleman, tells Jim Al-Khalili about his research on human perception and the wristband he created that enables deaf people to hear through their skin. Everything we see, taste, smell, touch and hear is created by a set of electro-chemical impulses in the dark recesses of our brain. Our brains look for patterns in these signals and attach meaning to them. So in future perhaps we could learn to ‘feel’ fluctuations in the stock market, see in

27:49

Frances Arnold

Discovery ·

2022/09/20

Nobel Prize winning chemist Frances Arnold left home at 15 and went to school ‘only when she felt like it’. She disagreed with her parents about the Vietnam war and drove big yellow taxis in Pittsburgh to pay the rent. Decades later, after several changes of direction (from aerospace engineer to bio-tech pioneer), she invented a radical new approach to engineering enzymes. Rather than try to design industrial enzymes from scratch (which she considered to be an impossible task), Frances decided to

27:58

Sir Martin Landray

Discovery ·

2022/09/12

Who could forget the beginning of 2020, when a ‘mysterious viral pneumonia’ emerged in the Chinese city of Wuhan. Soon, other countries were affected and deaths around the world began to climb. Perhaps most alarmingly of all, there were no proven treatments to help prevent those deaths.As the World Health Organisation declared the Covid-19 outbreak a pandemic, and the UK and the rest of the world braced itself for what was to come, doctor and drug-trial designer Martin Landray had his mind on a

27:43

How Covid Changed Science, part 3

Discovery ·

2022/09/05

In the third and final part of our series How Covid Changed Science, Devi Sridhar Professor of Global Health at Edinburgh University looks at the legacy and lessons of the pandemic for scientific research. Tackling the virus became a global issue, but many have pointed out the inequality of both resources and effort in the response. Going forward do we need to be directing research more towards improving health and disease surveillance in less wealthy parts of the world, would investing there help

27:50

How Covid changed science, part 2

Discovery ·

2022/08/29

In the second of our series How Covid Changed Science, Devi Sridhar, Professor of Global Health at Edinburgh University looks at the scientific messaging. Just how do you explain to both politicians and the public that a growing global pandemic is likely to kill many people, and unprecedented measures such as a nationwide lockdown are needed to prevent even more deaths. What information should be imparted and how?Similarly how to address the clamour for information on the development of vaccines and

27:44

How Covid changed science, part 1

Discovery ·

2022/08/22

Until 2020 developing a new drug took at least 15 years. Scientists by and large competed with each other, were somewhat secretive about their research and only shared their data once publication was secured. And the public and the press had no interest in the various early phases of clinical trials. An incremental scientific step possibly on the road to somewhere was simply not newsworthy. Face masks were the preserves of hypochondriacs in the Far East, with no scientific evidence base for their

28:06

Satellites versus the stars

Discovery ·

2022/08/15

If you look up into the night sky, there are around 7,000 active satellites orbiting the Earth. They’re part of our daily life – essential for things like the internet, the GPS in our cars and giving us weather reports. Seven thousand might not sound a lot in the infinite expanses of space. But the reality is that most satellites are found in a small slice of the solar system - called Lower Earth Orbit - and countries and satellite companies are planning to launch hundreds of thousands more in the

26:28

Plant based promises, diet and health

Discovery ·

2022/08/08

Giles Yeo learns how to make a Thai green curry with Meera Sodha. This is a recipe without meat or prawns but with tofu and lots of vegetables. If we need to eat less meat and dairy to help prevent global warming- what difference will altering our diets make to our health. For a long time now people have been urged to cut down on red meat and processed foods but if you have been eating them all your life it takes an effort to develop new habits. Plant based products that can replace for example

28:14

Plant based promises and sustainability

Discovery ·

2022/08/01

In Plant Based Promises, Giles Yeo a foodie and academic at Cambridge University, asks how sustainable are commercial plant based products? This is a fast growing sector with a potential value of $162 billion by 2030. Giles travels to the Netherlands Food Valley to look at companies developing plant based alternatives and to find out what role they have to play in changing diets. And Giles designs his own plant based Yeo Deli range online but discovers that new markets are already causing shortages

27:33

Plant based promises, rise of the plant based burger

Discovery ·

2022/07/25

In Plant Based Promises, foodie, researcher and broadcaster Giles Yeo looks at the science behind plant based diets and the increasing number of plant based products appearing in supermarkets and restaurants. The market for plant based products could be worth $162 billion in the next ten years and Giles asks how sustainable and healthy the products are and the role they play in decreasing the world's carbon footprint.Globally food production accounts for about 30% of greenhouse gases. In the UK we

27:36

The mysterious particles of physics, part 3

Discovery ·

2022/07/18

The smaller the thing you look at, the bigger the microscope you need to use. That’s why the circular Large Hadron Collider at CERN, where they discovered the Higgs boson is 27 kilometres long, and its detectors tens of metres across. But to dig deeper still into the secrets of the Universe, they’re already talking about another machine 4 times bigger, to be built by the middle of the century. Roland Pease asks if it’s worth it.Image: CMS Beampipe removal LS2 2019 (Credit: Maximilien Brice/CERN)

33:23

The mysterious particles of physics, part 2

Discovery ·

2022/07/11

Episode 2: Lost in the DarkPhysics is getting a good understanding of atoms, but embarrassingly they’re only a minor part of the Universe. Far more of it is made of something heavy and dark, so-called dark matter. The scientists who discovered the Higgs boson ten years ago thought they’d also create dark matter in the underground atom smasher at CERN. But they haven’t seen it yet. Roland Pease joins them as they redouble their efforts at the upgraded Large Hadron Collider, and travels to Boulby

30:11

The mysterious particles of physics, part 1

Discovery ·

2022/07/04

The machine that discovered the Higgs Boson 10 years ago is about to restart after a massive upgrade, to dig deeper into the heart of matter and the nature of the Universe.Roland Pease returns to CERN’s 27-kilometre Large Hadron Collider (LHC) dug deeper under the Swiss-French border to meet the scientists wondering why the Universe is the way it is. He hears why the Nobel-prize winning discovery of the “Higgs Particle” remains a cornerstone of the current understanding of the nature of matter; why

27:42

The Life Scientific: Adam Hart

Discovery ·

2022/06/27

Ant-loving professor, Adam Hart, shares his passion for leaf cutting ants with Jim Al Khalili. Why do they put leaves in piles for other ants to pick up?Talking at the Hay Festival, Adam describes the experiments he designed to test the intelligence of the hive mind. When does a waggle dance become a tremble dance? And how do the honey bees know when this moment should be?We like the phrase ‘as busy as a bee’. In fact, bees spend a lot of time doing nothing at all, a sensible strategy from the point

27:43

The Life Scientific: Jacinta Tan

Discovery ·

2022/06/20

When a person with severe anorexia nervosa refuses food, the very treatment they need to survive, is that refusal carefully considered and rational, as it can appear to those around them? Or is it really the illness that’s causing them to say ‘no’?This is one of the thorny ethical dilemmas that Jacinta Tan has wrestled with over the course of her career. She is deeply curious about the mind, and has spent hundreds of hours sitting with people with anorexia nervosa, not persuading them to eat, rather

27:43

The Life Scientific: Pete Smith

Discovery ·

2022/06/13

Pete Smith is very down to earth. Not least because he’s interested in soil and the vital role it plays in helping us to feed the world, mitigate climate change and maintain a rich diversity of species on planet earth. He was born in a pub and failed the 11+ exam (designed to identify bright children just like him) but he became a distinguished professor nonetheless. Tackling climate change in isolation is a mistake, he says. We need to consider all the challenges facing humanity and identify

27:48

The colour conundrum

Discovery ·

2022/06/06

The world is full of colour! But, listener Maya Crocombe wonders ‘how do we see colour and why are some people colour blind?’Dr Rutherford and professor Fry set out to understand how special light-sensitive cells in our eyes start the process of colour perception, why people sometimes have very different experiences of colour and whether, in the end, colour is really just ‘in our heads’.Dr Gabriele Jordan from Newcastle University explains why lots of men struggle to discriminate between certain

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