var arrayFacts=[
"Can't reproduce.
Mules are almost always sterile.
This is attributed to the different structure and number of chromosomes held by the donkey and the horse, which don’t divide evenly and therefore don’t create successful embryos.
A female mule can carry a fetus, but it is difficult for the female to fall pregnant naturally.",
"Better than horses?
Mules are stronger than horses; they live longer and have longer working lives.
They can withstand extremes of temperature, can live on limited food rations, have tremendous stamina and resilience and are exceptionally sure-footed.",
"Stubborn as a mule.
Mules have a reputation for being stubborn. Their legendary stubbornness is often a concern for self-preservation and a sense of danger in certain situations.
For this reason, their stubbornness can in fact be an advantage; for they take care of their cargo as well as they take care of themselves.
Mules are the transport of choice to take tourists down the steep trails of the Grand Canyon.",
"Mule definition.
The word mule previously applied to any hybrid species.
Now the definition of mule is taken to mean the offspring of a male donkey and a female horse.
The word hinny refers to the offspring of a male horse and a female donkey.",
"Heroes of transport.
Throughout history, mules have been used as transport.
The ancient Greeks and Romans used them to draw carriages and carry heavy loads.
In the 19th century, mules were used to haul barges on canals, and in the early 20th century they were used as military transport to carry artillery over impassable terrain.",
"Family Reunion.
A Mule is a cross between a donkey and a horse. With a male donkey as a father and a female horse as a mother, the mule has tendencies of both animals.
The mule has shorter ears than a donkey, but will have a similar head and hair. Meanwhile, its body is like a horse's.
Its voice, however, is the same as a donkey's but with a slight twinge of a horse's whinny.",
"Mule lover!
George Washington was the first person to breed mules in the United States.
Mules have been working animals since the prehistoric days.
Historically in the United States, mules were used everywhere but now tend to be used only in the Southeastern US.
Mules are able to work longer than horses and carry heavier loads.",
"Stubborn as a Mule.
Geldings are male equestrian animals that have been castrated.
It is important for mules to be gelded since they are extremely active sexually. Even after gelding, they remain sexually active, especially when not working.
Despite popular myth, mules are not stubborn just to be stubborn. While horses are known to be worked into exhaustion a mule will begin to hesitate when they feel a problem coming on.
An experienced mule hand, will recognize this hesitation, or stubbornness, and try to figure out what is wrong with the mule.",
"Work like a mule.
Mules have been used as workers for centuries.
Mules have worked for the military as well as fire departments.
In the Army, their job was pulling artillery or dragging wounded soldiers away from battle lines. There was even a team of 20 mules famous for hauling borax out of mining areas in Death Valley. ",
"The best of both worlds?
The domesticated mule is a hybrid of a mare (female horse) and a jack (male donkey). If you cross a stallion with a female donkey (jenny), the result is a hinny.
Except in rare cases mules do not produce offspring. The mule gets its long ears, short mane and tufted tail from its father and its strong muscular large shape from its mother."];