In 100 grams of butter, there are three times more calories than in the same amount of meat.
Snake venom is dangerous only if it gets into the bloodstream. If ingested it is metabolized in the intestines and becomes harmless. Therefore, in Vietnam and Thailand, where they eat poisonous snakes, the rattlesnake is highly desirable.
In the human body there is so much phosphorus you could produce around 750,000 matches.
A duck’s heart beats twice as slower when it dives.
The first computer was made in 1946 at the University of Pennsylvania. ENIAC (Electronic Numerical Integrator And Calculator) had 18,000 electronic pipes, 30 tons and it needed 154 m2 of space.
Earth's rotation reaches a speed of half a kilometer per second.
