Diseases, Conditions, Syndromes

Moscow exits lockdown as WHO says global crisis 'worsening'

Moscow emerged from a strict coronavirus lockdown on Tuesday despite Russia seeing thousands of new cases every day, as the World Health Organization (WHO) warned the pandemic was "worsening" worldwide.

Diseases, Conditions, Syndromes

Lockdowns ease across Europe, Asia with new tourism rules

The first day of June saw coronavirus restrictions ease from Asia to Europe on Monday, even as U.S. protests against police brutality sparked fears of new outbreaks. The Colosseum opened its ancient doors in Rome, ferries ...

Diseases, Conditions, Syndromes

Coronavirus puts Shanghai into a coma

For more than a week, the rare resident of Shanghai who dared venture outside has encountered something unfamiliar: a surreal peace and quiet.

Genetics

Gene decoding obeys road traffic rules

One of life's most basic processes—transcription of the genetic code—resembles road traffic, including traffic jams, accidents and a police force that controls the flow of vehicles. This surprising finding, reported recently ...

Traffic congestion

Traffic congestion is a condition on networks that occurs as use increases, and is characterized by slower speeds, longer trip times, and increased queueing. The most common example is the physical use of roads by vehicles. When traffic demand is great enough that the interaction between vehicles slows the speed of the traffic stream, congestion is incurred. As demand approaches the capacity of a road (or of the intersections along the road), extreme traffic congestion sets in. When vehicles are fully stopped for periods of time, this is colloquially known as a traffic jam.

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