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Mobile phones: should we be worried?

A story that has appeared a lot in British press this week is the report on findings of a major study into the link between mobile phone use and brain cancer. More

Cement gets a green makeover

Image: MManson

Global cement production accounts for about 2 billion tonnes of CO2 every year – that’s 5% of all CO2 emissions and more than the entire aviation industry.
Now a company has come up with a way of producing cement actually reduces carbon dioxide emissions. More

Mind bending optical illusions

The video above shows the amazing gravity-defying optical illusion that won the 2010 Best Illusion of the Year Contest earlier this week.

Using optical illusions in science lessons never fails to amaze students.  This particular one could be used as an engaging starter to any lesson on forces. More

Brown rat tops the charts

No, this is not a post about the return of Roland rat to the music industry but a look at the impact of invasive species. More

A shining use of smart materials

image courtesy of David Hilowitz

Smart materials are those that respond to external stimuli such as changes in temperature, pressure and movement.

Getting celebrities involved is sure to give momentum to the use of the technology, and the recent appearance of the singer Katy Perry in a light-up dress at a recent awards ceremony will do wonders for the sale of wearable technology. More

Artificial organs for sale

Credit: Rick Proser @ wikimedia commons

Repo Men is a film playing in UK cinemas at the moment.  The film is set in the future, where you can buy an expensive replacement artificial organ if yours pack up.  The only downside to this is if you can’t keep up the repayments, the company that supply the organs, The Union, send round a couple of repo men to take back the organ, with no concern over your comfort or survival.

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Spinning around

firewinder

© 2008 The Firewinder Company Limited.

I’m always on the lookout for new toys and gadgets that can demonstrate science in a fun way.  The latest one to catch my eye is the Firewinder.  The helical structure catches the wind, and the turning affect creates electricity which is used to light the LED bulbs embedded in its surface.  It’s a bit like a wind turbine, only looks nicer in the dark. More

My two Mums

Embryo 8 cellsResearchers at Newcastle University have successfully created embryos that contain the DNA of three people.

It is hoped that within the next three years, this technique will be used to help women who have mutations in the DNA in the mitochondria, More

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