175 kilo­me­tres

What is the worst traf­fic con­ges­tion ever? In terms of du­ra­tion, cars were wait­ing in line for 12 days in Bei­jing in 2010. In terms of dis­tance, the tail­back be­tween Paris and Lyon in 1980 is the long­est:

Science Illustrated - - ASK US -

A coloured scan­ning elec­tron mi­cro­graph of Neis­se­ria gon­or­rhoeae bac­te­ria or gono­cocci.

The bac­te­ria are lo­cated on and around an ep­ithe­lial cell – a group of cells which line all ex­te­rior and in­te­rior sur­faces of the body.

Gono­cocci cause gon­or­rhoea, which is a sex­u­ally trans­mit­ted dis­ease. 3-7 days af­ter be­ing in­fected, men may ex­pe­ri­ence a yel­low­ish dis­charge from the ure­thra and burn­ing uri­na­tion. Women also risk burn­ing uri­na­tion.

Gon­or­rhoea is treated with an­tibi­otics, which are typ­i­cally given as an in­jec­tion into a large mus­cle. If the dis­ease is not treated in time, it might cause steril­ity.

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