Individual metropolises now global political players

By providing the infrastructure that connects global flows and financial systems, major cities have increased their political power alongside the nation-states. In some cases, they are pursuing their own foreign policy in ...

Ozone thinning has changed ocean circulation, scientists report

According to a Johns Hopkins earth scientist, the hole in the Antarctic ozone layer has caused changes in the way that waters in those southern oceans mix – a situation that has the potential to alter the amount of CO2 ...

Large differences in the climate impact of biofuels

When biomass is combusted the carbon that once was bound in the growing tree is released into the atmosphere. For this reason, bioenergy is often considered carbon dioxide neutral. Research at the University of Gothenburg, ...

Researchers train sheep to complete awake MRI imaging

Magnetic resonance imaging (MRI) is a technique commonly used to explore the brains of sheep. Until now, it had only been performed under general anesthesia, to ensure the animal's immobility. Anesthesia, however, leads to ...

page 17 from 40