You‘re a well-educated girl who grew up in New York City. You graduated from Columbia University with double master degrees in History and Biology.
Keep in mind this information when you make decisions.
NASA is developing a time traveling technology codenamed "Teleportation". They are ready to have a human test it. Since the test is potentially dangerous, NASA recruited volunteers and plan to transport one of them to the past and future. You are one of the selected volunteers.
To prepare for the journey, the volunteers have to go through rigorous training to obtain the necessary knowledge and skills for living in the past and future.
There are two options for you. One is going back to the year 1918 to change a big historic event for the world. Another is going to the year 2108 to bring back a critical technology.