Hummingbird, the fastest bird in the world

Hummingbird is the fastest flapping wing among all birds in the world, and its vibration frequency can reach…
Speed Trivia: Who runs the fastest in the world?

Speed Trivia: Who runs the fastest in the world?

Usain Bolt was born in Triloni, Jamaica on August 21, 1986. Jamaican runners and football players, the men’s…