The EMF Experiments pop up after Harry introduces Peter to the Emily May Foundation, in the main story. Once they do, you will be able to go about solving each one. Similar to Harry's environment challenges from the first game, these have you solving DNA sequence puzzles, catching fish to gene splice them, and watering crops. You will need to complete all of them to unlock this trophy. Press  to check your map, and the track down each one.

The EMF Experiment icons look like this: