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Possibly...it is shown that after about 500,000 years of evolution a species often have a jump of rapid evolution that has physical and internal effects. This jump isn't as fast as you would think, it happens over about 100 years. In the past these "jumps" have included appearance of tails on a species once tail-less, an extra finger/toe on each hand/ foot (dinosaurs and other animals only had 4 fingers/toes on each hand/foot) Scientists don't know what humans next jump will be. However, it is quite unlikely to have it be a third arm it is quite possible, but it is more likely to be something less dramatic.
What else can I help you with?
If you eat uranium will you grow a third arm?
No, you will die.
How can ultravoilet radiation affect the body?
You grow a third arm and 6 more legs
Can you get a third arm in fallout 3?
No, you can't get a third arm.
Can an apple come to life?
yes if they eat a certain pill they will grow arm hair and will come to life and then eat humans.
What radiations reach us and which ones are harmful?
Yes! I'm sitting in my Bio suit now. I hope that I don't grow a third arm.
Does Chuck Norris have a third arm?
Yes: behind the fist that is behind his beard is a third arm.
What is the answer to the microtype puzzle with the third and the arm?
3 rd + clock +A+ CH + arm
Can your arm grow back?
No, do you really think if people could grow back limbs, there would be people who are missing limbs? Like someone in a wheelchair with missing legs? There are some animals (not mammals) that can grow back limbs though.
What does it mean when a third grade boy puts his arm around you?
It means his arm is tired and you're the closest arm rest.
How do you grow under arm hair?
Puberty
Do vampires grow like humans do?
No, they do not grow like humans, in fact they don't grow at all. Once a vampire has changed they do not age, therefore they do not grow anymore.
Will an octopus grow an another arm if the octopus loses one arm?
By what i researched so far it does!
