Stella posted a new challenge:

This one requires some steps,but is not too hard.

As allways, i' going to shamelessly rip off forum comments to present the solution.

Solving this starts with the formulas written in grey:

Hmm, is this some song ? Thankfully, there is a site that allows you to search:

http://www.musipedia.org/js_piano.html

Enter the string "dis''2 gis'2 gis'2 dis''2 gis'2 gis'2 dis''2 gis'2 e''4. gis'2"

and it will play the tune and even search and find it:

It's the intro from the well-known horror movie "Halloween".

After that, we only have to resolve the "chaser" hint and we're done.

Solution redirects to:

http://www.ancientsocieties.com/proceed-with-caution/