Cattle can produce up to 180 litres of saliva in one day.

The Mount Horeb Mustard Museum which is located in Wisconsin has the biggest collection of prepared mustards. They have approximately 4,000 different jars and tubes from all over the world.

It is estimated that in the Amazon Rainforest alone there between 20-40 million different species of animals, most of which are insects, as well as over 40,000 species of plant!

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