The phrase "also learned that so" is not correct and does not convey a clear meaning in written English.
It seems to be an incomplete thought and lacks context to be usable.
Example: "I also learned that so many people are interested in the project."
Alternatives: "also discovered that" or "also found out that".
The researchers also learned that she was so fit, she did not get colder at the core, as most people do on their way to becoming hypothermic.
Her evenly distributed body fat acts like "an internal wet suit". The researchers also learned that she was so fit, she did not get colder at the core, as most people do on their way to becoming hypothermic.
They also believe that staying in a "robot hotel" will be a cost-effective choice (although we also learned that guests are not so interested in paying a higher tariff to stay in a robot-supported room).
Surprisingly, we also learned that Snow wasn't always so good and generous, and some tough lessons in her formative years -- not to mention the loss of her mother -- were instrumental in helping her develop her strong moral compass.
But I have also learned that even the appearance of doing so for its own sake does not sit comfortably with the spirit of our remit". Abraham also said the future of investigative journalism was under threat at a time of straitened economic circumstances and increasing legal challenges.
As conversation flowed, they also learned that through her church, Emmanuel Baptist, she was so well acquainted with some of his relatives in that congregation that she had long ago taken to calling them aunt and uncle.
The president has also learned that Congressional Republicans are dedicated to nothing so much as his own failure, even if that failure means extended economic misery for millions of Americans.
So, I've learned, I've also learned that the community, Wisdom of Crowds, Jim Surowiecki.
I also learned that quality research in this field requires grant money, for equipment, chemicals, reagents, books, and so on.
