What is the most useless fact you know?

 

What is the most useless fact you know?

• A blue whale’s penis can reach upto 3 meters:
• For each human on earth, there are 1.5 million ants. The general weight of all ants in the world is equal to general weight of all humans:
• A mammal’s baby’s first poop is sterilized; It does not contain microbes, and it is called “Meconium”.