Thank you for the comment!
After collecting three particles, you should submit them to the scientist as your answer to your question. You can do it by holding and releasing the right mouse button. The game as it is now, does not communicate this clearly to the player, so this is my bad. It would be really cool if you gave it another try, because there is a lot more to be seen!
But in any case, I'm glad you've played my game and found the squid cute