New trial database: StatistaStatista
Librarian Marie Spina writes:
Fun and serious statistical studies on population, marketing, politics and more...
And just in time for Valentines Day:
You will find more statistics at Statista
I did not see a statistic or calorie count for heart shaped chocolate but other great data is there on marketing and social data.
You can see this and other trial products including Demographics Now from our database page under Trials.