Errors detected in several historical consumer price indices

Research from Lund University found several inaccuracies in historical CPIs in popular online databases. The findings, appearing in Cliometrica, can have major consequences for future research. Faults in the data might already ...

How bats survive Norwegian winter nights

You have probably seen bats flying at dusk. They suddenly appear on summer evenings, when other flying creatures have settled down for the night. However, they are not a common sight in Norway, because there aren't that many ...

Surprising discovery of pharmaceuticals in Norwegian food waste

New research reveals that recycled food waste may be contaminated with pharmaceutical residues. The good news is that fungi cultivated in biogas digestate show minimal absorption of these contaminants. On February 16, Astrid ...

Ultrasound can save fish in hydropower rivers

The phenomenon of gas supersaturation occurs when air enters water-filled hydropower inlets and is then exposed to high pressure. When this water is subsequently released into the river below the hydropower plant, it's almost ...

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