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Tropical tree extract can clean drinking water

A new extract can prevent parasites from entering a person’s intestines. This is an easy and cheap solution to a widespread problem – it can help over a billion people who have worms in their intestines.

The culprit behind black dust?

Why are walls and objects in some homes coated with a thin veneer of black soot? The culprit appears to be a substance found in most paints.

Mapping marine life before oil drilling starts

Foul-smelling bubbles rise from the floor of the Barents Sea. Living organisms in these depths are being studied before the oil and gas industry starts drilling operations.

The case of the vanishing pollutant

Ten years ago trout in Norway’s largest lake had the world’s highest measured levels of the environmental pollutant PBDE. Now their levels are about the same as before the sizeable discharges started in the 1990s.

Computer model predicts tomorrow’s nature

Researchers have developed a computer model that can look into the future. The model’s virtual world makes it possible to explore how man-made changes in nature will impact on animal life in the future.

We fear that science will wipe us out

Our ancestors feared that a god would cause the Earth’s destruction. Today we dread man-made viruses, global warming and nuclear bombs – the underside of science and technology.

Air pollution hospitalises small children

Rising numbers of small children are hospitalised with asthma when air pollution increases, new study shows. One surprising finding is that ultra-fine particles from road traffic play only a little role.

Harmful bacteria invade the groundwater

New research reveals that bacteria in farm slurry seep down to the groundwater before they can be broken down in the subsoil.

New theory: CO2 makes you fat

Danish researchers have announced a rather wild hypothesis: Perhaps we are getting fatter and fatter because of the increasing CO2 levels in the atmosphere.

Hormone-impairing substances make daughters fat

Pregnant women with high levels of hormone-impairing substances in their blood have a three times higher risk than other women of giving birth to daughters who will be overweight at the age of 20.