Bbc Inside Science

  • Author: Vários
  • Narrator: Vários
  • Publisher: Podcast
  • Duration: 306:12:49
  • More information

Informações:

Synopsis

Dr Adam Rutherford and guests illuminate the mysteries and challenge the controversies behind the science that's changing our world.

Episodes

  • Women, Science and the Royal Society; Open Access Research

    02/10/2014 Duration: 27min

    Royal Society investigates the decline in their awards to female scientists Last week, the UK's national science academy, the Royal Society, announced its latest round of University Research Fellows (URFs). And they are almost all fellows - in the male sense of the word. Out of 43 new posts, only two of them are women. These positions are for early-career, post-doctoral researchers. But, at the top of the tree, fewer than one in ten science professors are women, and one of the top UK scientific accolades - a Royal Society Fellowship - is held by only one in twenty. To their credit, The Royal Society were "horrified" by this latest round, and their president, Sir Paul Nurse, immediately called for a full investigation into how this happened, saying "this sends out a bad message to young female scientists".Our reporter Tracey Logan asks why Royal Society grants are so important to young scientists, and whether this year's number of female recipients is a sign of gender bias on the awarding committees, or just a

  • Cosmic inflation latest; Indian space success; Science and language; Wax Venus

    25/09/2014 Duration: 27min

    BICEP - gravitational waves and dust One of the biggest scientific claims of 2014 has received another set-back. In March this year, the BICEP2 research team claimed it had found a swirling pattern in the sky left by the rapid expansion of space just fractions of a second after the Big Bang. This announcement was quickly criticised by others, who thought the group had underestimated the confounding effects of dust in our own galaxy. And now, new analysis from the European Space Agency's Planck satellite suggests dust found in our own galaxy may have confounded what was thought to be a universal revelation.India's Mars satellite enters orbit India has successfully put a satellite into orbit around Mars, becoming the fourth nation or geo-bloc to do so. Following a few teething troubles with a planned engine burn shortly after launch on 5 November 2013, and a long journey, the Mangalyaan probe has started sending back images of the Red Planet. It is the first time a maiden voyage to Mars has entered orbit succes

  • European ancestry; Cern is 60; Graphene plasters; Penguins

    18/09/2014 Duration: 27min

    European Ancestry New genetic investigation of ancient human remains, combined with archaeological evidence, is shedding new light on the origins of the early European populations. The international team has provided a detailed analysis of waves of immigration from the near east into Europe, and the emerging agricultural practices that came with it, which has come to dominate the traditional practices of indigenous residents.CERN - Artificial retina The human eye and the parts of the brain that process images are second to none when it comes to pattern recognition and concentrating on the important images and ignoring the rest. They have inspired physicists to create a processor that can analyse particle collisions 400 times faster than any other device. In these collisions, protons, that is, ordinary matter, are smashed against protons at close to the speed of light. These processes may produce new particles and help scientists understand matter's mirror - antimatter. Professor Tara Shears, a particle physic

  • Jack the Ripper; Future of Scottish science

    11/09/2014 Duration: 38min

    Jack the Ripper "identified" Some of us are morbidly fascinated by the legend of Jack the Ripper - not the world's first serial killer, but the one that coincided with the birth of mass media, and set the ghoulish tone for the 20th century's obsession with murderers. This week a shawl acquired at an auction in 2007 is in the spotlight. Claimed to be found in 1888 at the murder scene of a woman asserted to be the fourth victim of the supposed Ripper, DNA evidence from the fabric is stated to imply one of the most plausible suspects - Aaron Kosminski. However, there are many problems with this "identification" sequence - some historical, some legal, and some scientific. Adam Rutherford focuses on the science by speaking to Jari Louhelainen, a forensic geneticist at Liverpool John Moores University, who produced the forensic analysis. Jon Wetton, another forensic geneticist at the University of Leicester, offers broader insight into how DNA can be used in detecting crime.Future of Scottish science Scottish scien

  • Bardarbunga volcano; Geology in Minecraft; Synthesising opioids; Ammonia

    04/09/2014 Duration: 31min

    Bardarbunga A group of earth scientists was in Iceland performing annual maintenance of its equipment, when the volcano Bardarbunga erupted. Professor Simon Redfern has now joined them and speaks to Adam Rutherford from the slopes of neighbouring volcano Askja. He explains how all this recent volcanic activity is the expression of Europe's tectonic drift away from America. And rather than this being a smooth, continuous process, the plates move at the surface in a jerky way - causing these earthquakes and volcanic eruptions.Geology in Minecraft The British Geological Survey has built a full version of the geology of Britain into the online game Minecraft. Minecraft is a so-called 'sandbox' game, meaning there are no specific objectives, but players are free to explore existing worlds or collaborate to build their own with a range of virtual building blocks. The game is a huge phenomenon, with over a 100 million registered users, mostly under the age of 30. By adding an extra layer of geological features, the

  • Manipulating mouse memory; London pollution; Nature of knowing; Snail fur

    28/08/2014 Duration: 28min

    Manipulating mouse memory Optogenetics allows researchers to use light to turn the genes involved in memory, in the brain, off and on. It's a powerful tool for seeing exactly where specific types of memory are formed and processed. Researchers at MIT have been using the technique to manipulate fearful or pleasurable memories associated with a particular location, in mice. This is so they can see how memories are overwritten in the brain's processing regions.London pollution Cities in Britain have moved on a great deal from air pollution events, like the London smog of 1952, where 4000 people died in a week. But a recent report has put London air pollution levels as bad as some of the worst in the world, on a level with Mexico City and Beijing. Pollution is a mixture of gases and tiny particulate matter (or PM) -particles too small to be filtered out by our noses, and which end up going straight into our lungs. Dr Rossa Brugha and reporter Marnie Chesterton take a bicycle ride through London's busy streets and

  • TB in the New World; Trusting Wikipedia; Shipwreck of the London; @LegoAcademics

    21/08/2014 Duration: 28min

    TB in the New World Brand new work in comparative genetics is shedding light on the spread of TB. Scientists have shown that the initial spread of the deadly bacterial disease tuberculosis to the Americas didn't come with the European explorers and invaders. Skeletons of pre-Columbian Peruvians have shown signs of TB. So where did it come from? DNA samples collected from the ancient bacteria show they're closely related to the TB strain that infects seals and sea lions. So did the disease pass from humans in Africa to seals on the coast which then crossed the ocean and infected the Peruvians, 1000 years ago?Truth, Trust and the internet A recent YouGov poll revealed that the British public trusts the online encyclopaedia Wikipedia more than it trusts the BBC. The internet has revolutionised how we receive information and check references. But how much should we trust online facts? Adam talks to Carl Miller, from the Centre for Analysis of Social Media at think-tank Demos, about how Wikipedia entries are creat

  • Anaesthesia; Chilean earthquakes; Strange weather; Jellyfish

    14/08/2014 Duration: 28min

    Anaesthetics. General anaesthetic is an essential part of modern medicine. Millions of surgical procedures, many life-saving, simply could not be performed without rendering the patient unconscious with one of a long list of drugs that induce anaesthesia. But, we don't know how they work. Part of this mystery is because we're not entirely sure what we mean when we say unconscious. But part of it is that there's a whole fleet of different molecules than can work as an anaesthetic, so there's no well-known pathway we can study. Neuroscientist, Luca Turin at the Alexander Fleming Research Center in Greece thinks that the answer to how they work, could lie, not at the chemical level, but at the quantum level.2014 Iquique Earthquake in Chile Before the massive 8.1-8.2 Magnitude earthquake struck Iquique in Chile, in April, this year, there were a series foreshocks at the fault line. Adam Rutherford asks Roland Pease if these creaks could be a way of warning us about an imminent big quake in the future. They also

  • New dinosaur; GM chickens; Lightning; Rosetta; Diatoms

    07/08/2014 Duration: 27min

    Dinosaur A jumble of bones found in Venezuela belong to a group of very early dinosaurs, that could have been herd animals. Paul Barrett from the Natural History Museum explains to Professor Alice Roberts how a jumble of bones found in a 'bone bed' belong to a number of individual Laquintasaura venezuelae dinosaurs. They are an ancient, small, omnivorous dinosaur, which could have survived the Tertiary/Jurassic extinction event 200 million years ago.Genetically Editing Chickens Diseases devastate livestock around the world. In chickens for example the deadly strain of bird flu and the lesser known bacterial infection Campylobacter, does not only harm the chickens but is also a real threat to human health and welfare. Scientists are continually trying to develop vaccines, but the strains of bacteria keep evolving resistance to them. One of the solutions being explored at the Roslin Institute in Edinburgh, is genetic. Using a subtle form of genetic modification, called genome editing. The team are trying to fin

  • ExpeRimental; Rosetta; MOOCs

    31/07/2014 Duration: 27min

    ExpeRimental There's an online wealth of science demonstrations you can try at home with your kids. But what's sometimes lacking is the encouragement of questioning the science in these DIY experiments. Science teacher and film maker Alom Shaha has devised a series of videos with the Royal Institution showing parents experimenting with home-made lava lamps, bubbles and bottle cannons. He hopes that amidst the mess and mistakes, some scientific thinking can be nurtured.Rosetta The European Space Agency's robotic spacecraft Rosetta is about to start its detailed study of the comet Churyumov-Gerasimenko. In the audacious and risky mission, the craft will follow the orbit of the comet as it approaches and passes the Sun. It will attempt to land a probe on the surface of the icy, rocky mass. It's hoped the mission will provide great insight into what comets are made of, how they behave as they heat up, creating its gassy coma and tail. And it's hoped Rosetta and its lander will be able to tell about where Earth's

  • Science's fascination with the face

    24/07/2014 Duration: 27min

    Face recognition The software that analyses images of your face, captured online or when you're out and about, has rapidly improved. Adam visits Amscreen, to test the cameras they deploy at supermarket checkouts to determine your age and sex, to inform advertisers of the best demographic to target. This raises ethical and privacy issues which Adam discusses with privacy expert Professor Colin Bennett and author of "The formula, about algorithms and the algorithm culture", Luke Dormehl.Quantifying expressions Is a look of contempt, or a smile, a universal expression or do they vary across cultures? Marnie Chesterton visits Glasgow University's Institute of Neuroscience and Psychology, where the scientists are building a huge database of faces, in order to unpick and quantify our expressions. Dr Oliver Garrod from the Generative Face Grammar Group demonstrates how they can capture your face, and animate it.Evolutionary psychology There is a long list of evolutionary explanations for the human condition. Mostly

  • A special programme on plants and their pollinators, poisons and pests

    17/07/2014 Duration: 28min

    Plants and bees The relationship between flowering plants and bees is a long-evolved, complex one. Plant scientists at the Royal Botanic Gardens at Kew are currently conducting field trials to see how Acontium, or Monkshood, uses toxins to protect itself against nectar-thieving, short-tongued bumblebees. But how does it make sure it doesn't poison the helpful, pollinating long-tongued bumblebees?Plants from Roots to Riches Professor Kathy Willis, Director of Science at the Royal Botanic Gardens Kew will be presenting a new series on BBC Radio 4 exploring our relationship with plants from the birth of botany through to modern day. She describes some of the series highlights.The Azolla Event A tiny ancient fern-like pond weed could have been responsible for changing the fate of the planet. Some scientists think that Azolla could have played a significant role in reversing an increase in the greenhouse effect that occurred 55 million years ago. The researchers claim that massive patches of Azolla growing on the

  • Behavioural profiling at airports; Light and colour in art; Hadrian's Wall; Cassini

    10/07/2014 Duration: 28min

    Airport security has been tightened recently. Passengers must be able to switch on their electronic devices to prove they don't contain explosives. Inside Science asks about the science behind spotting a potential terrorist. Adam asks whether behavioural profiling works. Can trained security staff tell the difference between a nervous traveller and a potential terrorist?Light and colour in art Pigments and paint evolved over time, and these changes are one focus of the 'Making Colour' exhibition at the National Gallery. Different paints fade and degrade in different ways; often the patina of age is what appeals when looking at art, so how do you decide which hue to use when restoring paintings? Another intriguing issue is how you light a painting. The National Gallery is moving away from tungsten lighting, to more modern, tuneable LED lights. How does this affect the way visitors view the art? An interactive experiment is helping them to unpick light perception.Hadrian's Wall A listener asks how did the Roman

  • Informed consent, El Nino, Gravitational Waves, Cloud cover

    03/07/2014 Duration: 28min

    Informed consent Facebook has been under fire for running a controversial 'emotion manipulation' study on 689,003 Facebook users. The experiment, to find out whether emotions were contagious on the social network, involved minor changes to users' news feeds. It's contentious because the users were not informed that they were taking part in an experiment. Facebook says, check the terms and conditions, but Dr Chris Chambers at Cardiff University says that the ethical standards for science are higher, and should involve informed consent. Dan O'Connor, Head of Medical Humanities at the Wellcome Trust, gives a short history of consent in experimentation.El Nino According to the Met Office, the world is almost certain to be struck by the "El Nino" phenomenon this year, with the potential to induce "major climactic impacts" around the world. Roland Pease investigates this flip in the climate state of the Pacific basin, and asks the experts studying this phenomenon, whether it'll be a major event and how it might aff

  • Longitude Prize Winner; Solar cells; New species; Fiji fisherwomen; Physics questions

    26/06/2014 Duration: 28min

    Longitude Prize 2014 Winning Challenge Antibiotics resistance has been selected as the focus for the £10m prize. The World Health Organization (WHO) has warned of a "post-antibiotic era" where key drugs no longer work and people die from previously treatable infections. The next step in the challenge is to tackle this resistance, by developing a simple, cheap, quick test that allows you to tell whether an infection is bacterial or not. This will conserve the 50% of antibiotics that are currently given in situations where they have no effect.Solar Cells A popular form of photovoltaic, or solar, cells is made using a harmful and expensive chemical called cadmium chloride. Now a team has found a new, cheaper, safer way of making solar cells by replacing the toxic element in the process with a material found in bath salts, magnesium chloride, and these are just as efficient. Professor Ken Durose from Liverpool University explains how it could reduce the cost of solar energy.New Species How easy is it to find a ne

  • Antarctic Invaders; Patents; Longitude Challenges for Water and Antibiotics

    19/06/2014 Duration: 28min

    Antarctic Invasion Antarctica is the most pristine place on Earth, having only been visited by humans in the last 200 years, and being tens of thousands of miles from the nearest land. But these days, around 40,000 tourists and hundreds of scientists visit the Antarctic every year, and with them come stowaways in the form of bugs, beetles and plants. As a result, the ice -free areas of the Antarctic are at severe risk of invasion. Is it too late to do anything about it?Longitude Prize: Water How can we ensure everyone can have access to safe and clean water? Water is becoming an increasingly scarce resource. 44 per cent of the world's population and 28 per cent of the world's agriculture are in regions where water is scarce. The challenge is to alleviate the growing pressure on the planet's fresh water by creating a cheap, environmentally sustainable desalination technology. London's Becton desalination plant is expensive to run, and so used for emergencies only. Marnie Chesterton meets some Danish chemists u

  • Turing test; World Cup exo-skeleton; Plant cyborgs; Music hooks

    12/06/2014 Duration: 28min

    The first ball kick of the opening ceremony of the 2014 World Cup is taken by a young paraplegic Brazilian, wearing a robotic exo-skeleton, controlled using his mind. Adam hears from Miguel Nicolelis, the neurophysiologist behind the high profile science stunt. Closer to home Sophie Morgan, paralysed for a decade, demonstrates her robot exo-skeleton, or REX, which allows her to walk and stand.This week, scientists at the University of Reading claim to have created a computer that has successfully duped humans into thinking it was a 13-year-old boy. This has been widely reported as the first computer to pass the Turing test, but is it? Is this a leap forward in artificial intelligence or a case of moving the goalposts. Anil Seth from the University of Sussex, gives us his opinion.Forget the Internet of things, welcome, the internet of vegetables. An EU-wide project has developed "cyborg plants" with in-built sensors. These allow the plant to "talk" to scientists, giving them updates on water and nitrogen level

  • Moving Mountains; Invasive Species; Football Stickers

    05/06/2014 Duration: 27min

    Moving Mountains Removing the tops off mountains was common practice in the eastern United States to strip mine for coal. Critics have previously called for it to be banned because of the health risks. But in China, the same thing is now happening but on a much larger scale, all to create new land for people to live on. In a comment piece in this week's Nature journal, Chinese scientists call this unprecedented geo-engineering "folly", and liken the practice to "performing major surgery on Earth's crust". Dr Adam Rutherford talks to Dr Emily Bernhardt from Duke University in the US about the potential risks of the Chinese mountain moving.Alien Invader Species Inside Science bug man, Tim Cockerill, responds to headlines that alien killer snakes, capable of killing dogs, cats and even children, are on the loose in Britain. He goes to look for the supposedly terrifying reptiles, and finds out instead, about a colony of aesculapian snakes, whose biggest meal might be a rat. In search of more danger, he goes on to

  • Women scientists; Mapping the ocean floor; Amplituhedron

    29/05/2014 Duration: 29min

    Women of science London's Royal Society was buzzing last week as historians and scientists chewed over the lives of iconic women scientists. But at a time when far more women go into science, the percentage who make it to professor is still alarmingly low compared to men. Last week's Revealing Lives event by The Royal Society was also about learning lessons from history which are of benefit to women working in science today.Mapping the ocean floor We really do know less about the ocean floor on Earth than we do about the surface of Mars, Venus and the Moon. In the case of the Red Planet, the maps are about 250 times better. This gap in our home-planet knowledge has recently been highlighted by the search for the missing Malaysia airlines plane MH370. The suspected search area in a remote part of the Indian Ocean is so poorly mapped, it's not even clear how deep the deepest parts are. Ocean floor mapping can be done by ship board echo-sounders, bouncing sound waves off the sea floor. But this is very expensive

  • Longitude Prize 2014; Dementia; Matter from light; Coastal deposition

    22/05/2014 Duration: 28min

    Longitude Prize 2014 The Longitude Prize offers a £10 million prize pot to help find the solution to one of the greatest issues of our age. Votes from the British public will decide what that issue will be. This week, the six shortlisted challenges have been unveiled. They cover flight, food, antibiotics, paralysis, water and dementia. Alice Roberts talks to Adam about why we need an X-factor for science. Over the next month, Inside Science will profile each of these challenges and explain how you can cast your vote.Matter from Light In 12 months' time, researchers say they will be able to make matter from light. Three physicists were sitting in a tiny office at Imperial College London and while drinking coffee they found what they call a fairly simple way to prove a theory first suggested by scientists 80 years ago: to convert photons - i.e. particles of light - into electrons (particles of matter) and positrons (antimatter). Adam discusses the work with theoretical physicist Professor Steven Rose from Imper

page 28 from 31