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Catching up with Cancer
4 Oct 2008
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17th Jan 2010

Does farting make you weigh less?


Diana O'Carroll
(c) Dave Ansell
Dave Ansell

Chris Smith
Burning questions

Can sea water keep roads frost-free? Why does the LHC need to be so cold? How does antifreeze work and what's the freezing point of beer? This week we run the risk of frostbite to tackle the coolest science questions as well as warming up in the hot tub to hear what household appliances devour the most power! We also find out how researchers are growing stem cells from umbilical cord blood, the scientific reason why a needle is so hard to find in a haystack, and how the smell of a fertile women boosts a man's testosterone. Plus, do people really look like their pets?

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News

Growing umbilical cord blood stem cells

Scientists have discovered a way to dramatically boost the numbers of stem cells used for bone marrow transplants. The technique uses stem cells known as CD34 cells, which are present in the blood of a developing baby.  A small number of them can be harvested from the umbilical cord immediat...

(c) Paulnasca

Why rare objects are harder to find

Scientists have uncovered the scientific reason why hunting for a needle in a haystack is so hard - and often fruitless. If you're a little bit scatterbrained when it comes to organising things and often spend an evening rifling through bits and pieces which, of course, were fi...

(c) U.S. Government

Spiking Cells

A living cell is an immensely complicated chemical machine, working with thousands of interacting molecules, and we haven't got an instruction manual. Usually, if you're given a machine you don't understand, you prod it and see what happens.  One of the biological equivalents of this is to in...

(c) Leon Brocard

Fertile females increase male testosterone levels

Scientists have found that the male arousal hormone, testosterone, peaks in line with a woman's fertility. Writing in the journal Psychological Science, Florida State University researchers Saul Miller and Jon Maner recruited 37 male students aged 18-23 and four non-pill-using females aged 18-19. ...

(c) Dave Ansell

Copper-powered carbon sequestration

We’ve heard about carbon sequestration, deep beneath the Earth, but now here’s another way of dealing with the CO2 problem - with copper. Part of the reason that CO2 is a problem is that it’s quite tricky to extract it from the air as it’s quite a stable molecule, at least compared with oxygen. And...


Interviews

(c) Original Photographer: Chadwick, H. D. (US Gov War Department. Office of the Chief Signal Officer.)  Edits by: [[User:Durova

Geology of a Natural Disaster

We discover the geology behind the recent devastating earthquake in Haiti...

AI in the world of Gaming

Meera Senthilingam becomes Sherlock Holmes to investigate the uses of Artificial Intelligence in the world of online gaming... and possibly in call centres!


Kitchen Science

(c) Uwe Kils @wikipedia

Melting Ice with Salt

We were asked why councils don't use seawater to melt ice on the roads, so why not find out the answer with an experiment?


i love pod casts on the gcse bbc bitesize website! =]...
- me - 17th Jan 10
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Questions

How many days in a month can a woman become pregnant?


Do Women attract men more when fertile by subconsciously acting differently?


Why are my windows so drafty?


Were medieval people less smelly?


Does too much calcium make your bones brittle?


Who uses the most electricity?


Why does the LHC need to be so cold?


How do mosquitoes lay their eggs?


Can we create artificial nerve signals?


Does beer have a lower freezing temperature than water?


Does internal gas affect your weight?


Does tapping a drink can to stop it exploding work?


Do all satellites orbit in the same direction?



QotW

(c) U.S. Government Printing Office

Do people look like their pets?

It’s often said that people resemble their pets or vice versa; is this a phenomenon that's been studied? Do people choose pets that resemble them, or is this a matter of us noticing when people do resemble their pets and forgetting when they don't...?




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