Sugest a project for a student doing honours degree in bio sciences and atached in a medical lab?

What type of project is advisable for some one doing a 4 year degree in bio sciences and is atached in a serology and bacteriology field at a reaserch institute. which is the most appropriate time to start a project.
Answer
Degradation rates of t-rnas in blood stains in different environments. crime investigation applications are endless.