Do you think your self is located in your heart or your brain? In 2013, there was a series of 9 studies, and this question was asked to hundreds of grad students at North Dakota State University.

I use (and like) Motifit for the graph during workouts ... The best part is the month view which tells you your high/low heart rates. I'm looking more for something that gives a timeline of ...

Well one enterprising young gentleman decided to capture at least the wild-heart-beat portion of the ... and created this graph. As you can see, the highest anxiety—as I think most of us might ...

This awesomely geeky heart-shaped graph is made possible ... In other words, with these mathematical capabilities, you can also graph fun images like the Batman symbol, for example.

Now, instead of a graph that shows your continuous heart rate number as a line from throughout the day, Samsung groups your average heart rate into set time bars. You can now see highs and lows ...

This graph shows something quite wonderful. It shows that in a couple, the heart rates of a man and woman are in sync. Yes, when you're involved in a romantic relationship, your heart beats as ...