One reason to stop using your phone before bed

The Tweet: “A study found that cell phone radiation can cause insomnia, headaches and confusion.” Using your mobile phone before sleeping, or even keeping your phone next to your bed, could increase the amount of time it takes for you to get to sleep. A study published in 2008 by researchers at Karolinska Institute and Uppsala University in […]

How sunflowers were used to clean up Fukushima

The Tweet: “Sunflowers can be used to clean up radioactive waste.” In the aftermath of the Chernobyl disaster hundred of thousands of inhabitants were relocated and the town was left uninhabitable. However, in the case of Fukushima the Japanese government is hoping to make the area liveable again for the 80,000 displaced residents, and to […]

Long-haul flights expose you to twice the radiation of an X-ray

The Tweet: “One flight from New York to London gives travelers about the same level of radiation as a chest X-ray.” We are all exposed to solar and cosmic radiation that penetrates our atmosphere. Aircraft are exposed even more so because at higher altitudes the atmosphere is thinner and so less radiation is reflected back […]