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Ninth graders’ science experiment stirs up scientific community when it finds plants won’t grow near Wi-Fi router

Ninth graders' science experiment stirs up scientific community when it finds plants won't grow near Wi-Fi router 3

Ninth-graders design science experiment to test the effect of cellphone radiation on plants. The results may surprise you.

Five ninth-grade young women from Denmark recently created a science experiment that is causing a stir in the scientific community.

It started with an observation and a question. The girls noticed that if they slept with their mobile phones near their heads at night, they often had difficulty concentrating at school the next day. They wanted to test the effect of a cellphone’s radiation on humans, but their school, Hjallerup School in Denmark, did not have the equipment to handle such an experiment. So the girls designed an experiment that would test the effect of cellphone radiation on a plant instead.

Ninth graders' science experiment stirs up scientific community when it finds plants won't grow near Wi-Fi router 4
Photo courtesy of Kim Horsevad, teacher at Hjallerup Skole in Denmark.

The students placed six trays filled with Lepidium sativum, a type of garden cress, into a room without radiation, and six trays of the seeds into another room next to two routers that according to the girls’ calculations, emitted about the same type of radiation as an ordinary cellphone.

Over the next 12 days, the girls observed, measured, weighed and photographed their results. Although by the end of the experiment the results were blatantly obvious — the cress seeds placed near the router had not grown. Many of them were completely dead. While the cress seeds planted in the other room, away from the routers, thrived.

The experiment earned the girls (pictured below) top honors in a regional science competition and the interest of scientists around the world.

Teens involved in plants and cellphone experiment, Hjallerup Skole

According to Kim Horsevad, a teacher at Hjallerup Skole in Denmark were the cress experiment took place, a neuroscience professor at the Karolinska Institute in Sweden, is interested in repeating the experiment in controlled professional scientific environments.

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