Wondering how many solar eclipses there have been since the day you were born? How about when your next birthday on Mercury is? Perhaps you want to know how much Earth’s population has changed since your very special day.
You can answer these questions and more at BBC Earth with this interactive tool — you just plug in your birthdate, height, and gender, and you’ll get all sorts of interesting facts about our planet, as it relates to your lifespan.
“Find out how,” says the BBC site, “since the date of your birth, your life has progressed; including how many times your heart has beaten, and how far you have travelled through space.”
Heady stuff, indeed..