As part of this summer’s science festival ’Science in the City’, a fleet of research ships will be docking in Copenhagen. The public is invited on board to learn about the ins and outs of marine research.
The hummingbird’s super-fast wing beats are among the most energy-intensive movements in the animal kingdom. Still, the birds can fly 4,000 metres above sea level, where there is very little oxygen. Scientists have now figured out how this is possible.