Why proteins matter

Hours before NASA's phoenix mission was due to land on Mars, the Naked Scientists took our own tour of the Martian landscape. We discuss how looking in valleys could tell us what shaped the Martian surface, and how probing Martian mud could reveal signs of life past and present. Also, we find out how scientists have watched the explosive death of a star, and how an asteroid collision millions of miles away could have seen the birth of the meteorite that killed off the dinosaurs. Plus, in Kitchen Science, we show you how to make weightless water! Like this podcast? Please help us by supporting the Naked Scientists

24 Maj 200856min

Come with us on a tour of your body to discover how the bacteria that live on and in you play an important role! Bad breath bacteria, good gut bugs and the ones that escape through the other end all make an appearance, as we find out how bacteria are essential to your health and how probiotics could prevent or even treat asthma and allergies. Plus, we find out how clot busting drugs could treat brain haemorrhages, why pilot whales are the cheetahs of the sea and how a robot could give you a full head of hair. Plus, in a smelly kitchen science we ask if coughs and sneezes can spread diseases,... Like this podcast? Please help us by supporting the Naked Scientists

17 Maj 200857min

Using nature's own tricks, we find out how to avoid mosquito bites, grow more crops and keep the weeds away in this week's Naked Scientists. We find out why mosquitoes prefer some people to others, and how to use pheromones to turn an insect's sex-drive against it! Also, why dentists could use plasma to cut down on drilling, why breast is best for bigger brains and why Popeye was right, spinach really does make you stronger. Plus, in Kitchen Science, we brave a box of biting mozzies to see if insect repellent really does repel! Like this podcast? Please help us by supporting the Naked Scientists

10 Maj 20081h 4min

Black holes, bright birds and ice evaporating in the freezer all come under scrutiny in this week's Naked Science Question and Answer Show. We also find out why space is so cold, what happens when a neutron star collapses and where houseflies buzz off to in winter. Plus, we discover a robot who keeps kids company in hospital, and catch up with the the latest tech news about Twitter. Also, we hear how bats are louder than a rock concert, how a quantum trick could let birds see magnetism and we peer into the biggest eye in the animal kingdom - belonging to the Colossal Squid. Plus, in Kitchen... Like this podcast? Please help us by supporting the Naked Scientists

3 Maj 200856min

Stunning sapphires, dazzling diamonds and red rubies abound in this week's sparkling edition of the Naked Scientists in which we find out how gemstones are formed, what makes them so beautiful and why they're so rare. We also reveal the tricks used by experts to flush out fake stones, and discover how synthetic diamonds can make better lasers, more powerful electronics, sweeter tweeters and cutting-edge scalpels. Plus, why a mongoose could be your best friend in a minefield, how a good breakfast leads to more male births and, in Kitchen Science, how to grow some beautiful crystals at home! Like this podcast? Please help us by supporting the Naked Scientists

26 Apr 200856min

Sustainable Solar power in Sydney, home-generated electricity and green-housing developments go under the microscope this week as we explore the science of sustainable living. Meanwhile Dave goes for gold in water recycling by purifying and drinking water from urine, and we also find out how vitamin supplements can kill, discover an atom-thin transistor and hear how testosterone provoke boom and bust on the stock market. So join us as we become eco-estate agents and go through the keyholes of the Green Houses of Tomorrow! Like this podcast? Please help us by supporting the Naked Scientists

19 Apr 200856min

Solar Flares and the Sun's influence on our climate are the burning issues of this week's show. We discover an explosion on the Sun so large that it cut global communications all over the world and rendered compasses useless. Also, we'll be looking at the link between the sun and climate change and finding out how clouds could predict earthquakes. Plus, in this week's news, we discover why some balls are really hard to catch we talk about the seahorses returning to the Thames. And in Kitchen Science, Dave shows us how to light a bulb without wires - using only a balloon! All this and more... Like this podcast? Please help us by supporting the Naked Scientists

12 Apr 200857min

Can cold water cause weight loss, is my mother-in-law turning into a reptile and why doesn't a mobile phone interfere with itself are all answered in this week's Naked Science Question and Answer Extravaganza. We also find out about a new way to keep track of your favourite online bands and musicians, and hear how the whole world harmonises - turning news into music in just three hours! Plus, in Kitchen Science, Dave pulverises an egg to explain the basis of air pressure, and for Question of the Week Diana finds out whether alcohol can rehydrate a lost traveller in the desert. Like this podcast? Please help us by supporting the Naked Scientists

5 Apr 200856min