Listen Now Download as mp3 or Subscribe Free

• A Strange Supernova is worrying cosmologists

• Computer Chips Communicating With Light

• Science Update - the Sharpest and the Fastest.

• The Science of Catalysts And Catalytic Converters

• Hydrogen

• How could an X-ray machine recharge a battery?

  On a recent trip to Sweden I noticed at the check in desk that my mobile battery was running low and was just about to turn off. As I went through airport security, my mobile was sent through the x-ray machine. When I next looked at my phone there was almost a full ...

• Why don't muscle cells divide?

  I'm home schooling my son and we've been studying cell division. In one of the textbooks it - that specialised cells, such as muscle cells, don't divide. Why?

• What happens to a balloon in a car if you break?

  Take a helium balloon and hold it on a piece of string inside a car. Watch what happens to the balloon when the car breaks - it moves backwards. So it goes the opposite way to other objects in the car. What's happening here?

• Why do cars smell like rotten eggs after a while?

  Why do cars smell like rotten eggs after a while? Is this down to catalytic converters?

• Why does methane burn clean?

  Why does compressed natural gas, or methane, burn cleaner than regular fuel? It's still a hydrocarbon. Why shouldn't it combust into the same pollutants as everything else?

• Can you change your hair colour without chemicals?

  I'd like to know whether it's possible to change your hair colour without chemicals, such as with gene modification. It would save me a fortune! Are there any catalysts on the market that would catalyse a platinum blond colour?!

• Why does melting ice cause sea level rise?

  I was curious about the scaremongering we're hearing about the ice caps melting and flooding everywhere. I thought the Archimedes' principle was that a body immersed in water, given that the majority of icebergs are immersed in water, when ...

• Can we use water for fuel?

  Is there a lost formula for using water as our main fuel? Do you guys know anything about this?

• Do calories adjust take into account how much food you absorb?

  Is the caloric content of food when it is stated on the packet the amount of energy given off when it's burned? Does it take into account the amount of energy a human can extract from it by digesting it with things like enzymes? If I were to eat two donuts at once, would ...

• Why are some people so tolerant to alcohol?

  Why is it that some people are so tolerant to alcohol whereas other people just need to get a whiff to tip them over the edge?

• 

  White bread and the wonder of enzymes

  Use enzymes in your mouth to break down bread in front of your very taste buds.

Related Content

Comments

See the whole discussion | Make a comment