They don't. The most common language is English, but almost any other language used by other people is used by scientists. Latin is used for some formal names and words because it is a dead language and won't change in meaning, but is not used as a language itself for communication.
Bellis perennis
All scientists recognize this language.
Loqui - means 'to speak, talk, say.'
You would call such a person a Latinist, which means a specialist in Latin. If they've studied the language for many years, they should be able to speak it. Once you learn to read the language fluently, speaking is a matter of time. There is a priest in Rome who teaches spoken Latin. His name is Fr. Reginal Foster, and if Augustine popped out of the ground, they could talk about his theory of just war. Wouldnt that be a sight to see...
Scientists may use different words than common people.Special terminology proficiency, when used correctly, shows that the speaker is competent in the field and belongs to the trustworthy community of experts. To make things simpler, for informality between themselves and for fun, experts invent their own jargon. This is not just scientists but in all groups of people.
to talk in Latin is "narrere"
It is Latin for 'jawbone'. Scientists frequently use Latin words for things they are naming.
You talk about them. You can say things like scientists have said this.
"Loquor" is a Latin verb meaning "to speak" or "to talk." It comes from the Latin word "loqui," which also means "to speak" or "to talk."
People still study Latin so scientists can read remains from the old times.
To understand why you need to know the way they come up with scientific names. It is like this, Genus species, for example Homo sapien. The names are latin and the reason that scientists use latin terms is that all the scientists in the world use the language. They chose a language that was used only in very few areas and now latin is the language that all scientists talk to each other in.
it easier for scientists from all the countries to understand
Bellis perennis
In Pig Latin, "Talk To You Later" would be "alktay otay ouyay aterlay."
No, in Latin America Spanish is spoken, therefore they are called by their Spanish names. Latin is used by scientists to identify animals because the language is no longer evolving.
scientists use latin terms to name an object.
All scientists recognize this language.