Mass tourism brings dollars but with all the baggage

Last August, the picturesque Himalayan kingdom of Bhutan halved to US$100 per night a charge levied on international tourists. The fee recognized the "important role of the tourism sector in generating employment, earning ...

Physicists explore how fluctuations shape transport networks

Understanding how transport networks, such as river systems, form and evolve is crucial to optimizing their stability and resilience. It turns out that networks are not all alike. Tree-like structures are adequate for transport, ...

page 4 from 17