A traffic light route to ending the economic lockdown

Easing the lockdown through a traffic light system could help to reboot the economy, provide a clear sense of direction and instill hope, according to new proposals set out by UCL.

How small is a small-world network?

Discovered in the field of social sciences in the 1960s, the phenomenon known as small-world networks has fascinated popular culture and science for decades. It arose from the observation that in the world, any two people ...

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