Ecology

Children from wealthy families have a weakened immune system due to cleanliness in the home. Thus, scientists have concluded that parents obsessed with cleanliness can harm the health of their children.

In a nationwide survey, a majority of Norwegians initially supported a reduction in the fuel tax. But when respondents were told that the fuel tax would be geared towards specific environmental goals, most changed their minds and said they would support an increase in the tax.

"My home is my castle!" - we often say. Steel doors, reliable vandal-proof locks, alarms - all these modern means of protection give us confidence in our own safety. But there are unforeseen situations that no armored door will protect against.

Exposure to mercury during the prenatal period may result in the development of hyperactivity.