One particle on two paths: Quantum physics is right

The famous double slit experiment shows that particles can travel on two paths at the same time — but only by looking at a lot of particles and analysing the results statistically. Now a two-path-interference experiment has been designed that only has…

How does forest restoration affect water cycles?

How would afforestation and restoration of large areas worldwide affect water-fluxes world wide? A new study has interesting answers. Impacts on precipitation reach far beyond country or even continent level: tree restoration in the Amazon can, for exa…