Sam, who mentioned Mesora? When the Gemara learned from a Mishna that honey is not from the body of the bee, that wasn’t a Mesora. That was Limud Hatorah and Okimta. The Maskana is what’s important. That is Torah Shebal Peh.
Some things are Mesora and some things aren’t. The Gemara tells us where things come from. When it is from a Braysa they tell us and when it is from Karchei Hayam they tell us, and disregard it at times.
Rebbe Eliezer taught Rebbe Akiva in one instance 300 Halachos on Koshir Keshu’in, which was a fraction of what he was Mekabel. Many facts come along with such a big Kabalah. They did not study future science, but the Ben Ish Chai says that they knew certain things because of the Sod, but not necessarily did they know geography.
I’m aware of that approach about the medicine Gemaros. It might be from Rebbe Akiva Eiger. That is the mainstream view of most Bnei Torah. I am merely suggesting that there is a very big difference between those and other Sugyos, and that Rav Shrira Gaon was referring to these Sugyos since it is in fact one place where they actually did get it from their contemporaries.