› added 5 years ago

101

TIL that the Mexico City Metro has a different logo/symbol representing all 195 of its stations.

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p8grp TIL the speed and direction of your computer mouse is measured in a unit called the Mickey, which is equal to the smallest movement your cursor can make on a computer screen
QN9aX TIL a supernova releases the equivalent of ~3*10^28 megatonnes of tnt worth of energy. For comparison the largest man made explosion ever(Tsar Bomba) released 50 megatonnes of tnt equivalent.
KOo66 TIL that the enteric nervous system (nervous system around gastrointestinal system) can act as the body's second brain and can work independently of the brain and spinal cord.
NXQk6 TIL woodpeckers have long tongues to protect their brains during high speed pecking.
EgROd TIL of the Halo Effect: A cognitive bias that influences positive impressions of an individual in one area due to positive influence in a different unrelated area.