Take 400 Karsefrø and
group them into 12 bins. Then place six trays in two
rooms at the same temperature. Give seeds same amount
of water and sun over 12 days, and remember just
to expose half of them for mobile radiation.
It is a recipe for a
biology test so brilliantly that it has attracted
international attention among acknowledged biologists
and radiation experts. Behind the experiment are five
girls from 9b in Hjallerup School in North Jutland,
and it all started with that they found it difficult
to concentrate per hour:
- We all think we had
experienced having difficulty concentrating in school,
if we had slept with the phone next to your head, and
sometimes also experienced having difficulty sleeping,
explains Lea Nielsen, who is one of the five aspiring
The school was not
equipped to test the effect of mobile phone radiation
on them, but it was enough in fact very well.
Therefore, the girls had to find an alternative. And
the answer was karsefrø.
Six trays seeds were put
into a room without radiation, and six trays were put
into another room next to two routers. Such a
broadcast about the same type of radiation as an
The "healthy" cress
without influence from the router. Photo: The girls
Then it was just to wait
12 days, observe, measure, weigh and take pictures
along the way. And the result spoke his clear
language: cress seeds next to the router was not
grown, and some of them were even mutated or dead.
- It is truly frightening
that there is so much influence, so we were even very
marked by the result, says Lea Nielsen.
The "sick" cress exposed
to router. Photo: The girls from 9b
The experiment secured
the girls the finals in the competition "Young
Scientists", but it was only the beginning. Renowned
scientists from England, Holland and Sweden has since
shown great interest in the girls' project so far.
From left: Lea Nielsen,
Mathilde Nielsen, Signe Nielsen, Sisse Coltau and
Rikke Holm. Photo: Kim Horsevad
The renowned professor at
the Karolinska Institute in Stockholm, Olle Johansson,
is one of the impressed researchers. He will now
repeat the experiment with a Belgian research
colleague, Professor Marie-Claire Cammaert at the
Université libre de Bruxelles, for the trial,
according to him, absolutely brilliant:
- The girls are within
the scope of their knowledge and skills implemented
and developed a very elegant job. The wealth of detail
and accuracy is exemplary, choosing the right cress is
very intelligent, and I could go on, he says.
He is not slow to send
them an invitation on the road:
- I sincerely hope that
they spend their future professional life to
researching, because I definitely think they have a
natural aptitude for it. Personally, I would love to
see the people in my team!
No mobile by the bed
The five girls from
northern Jutland has not yet decided their future
careers. They are still very caught over all the
- It has been such a
constant sum of the stomach. I still can not
understand it, says Lea Nielsen.
And Mathilde Nielsen
- It's totally
overwhelming and exciting. It's not something you just
experience every day.
But there have also been
other consequences of cress trial, which is quite
- None of us sleep with
the phone next to the bed more. Either the subject far
away, or it is added in another room. And the computer
is always off, says Lea Nielsen.