Want this question answered?
if you have a sharp fingernail, than you can poke their neck with your fingernails.
Someone who studies evolution is called Evolutionary Biologist.
A historian studies history.
The name for someone who studies caves is a speleologist or a spelunker.
A gemologist studies gems.
Someone who studies planetary systems is called a planetary scientist
There is no special name for someone who studies Hebrew.
A magnetometer is a device used to measure the intensity and direction of a magnetic field.
a person who studies planets is a planetologist.
Oceanologist is someone that studies oceans. An oceanologist studies oceans
Someone who studies matter at a very low temperature is called a cryogenicist.
Someone who studies dialects would usually be referred to as a "Linguist." Depending upon what their studies revolve around, you might hear them called a "Sociolinguist".