The Return of Gravity
What most people get to see is the clean self-consistent results of creative thought.
This reveals the messy and contradictory abyss that many well trained and disciplined
minds cannot cross. Mathematics has ruled the roost for a long time, but it doesn't tell
you why? People have forgotten, or have had it drummed out of them. Why and how
are still relevant.
Dark Matter
There is a very simple reason why experiments have not found dark matter.
Ain't no such thing!
Unless you want to follow Nibbler (from Futurama) around for a while.
Counter
Jellybeans 2011
The Missing Chapter of Relativity:
The  Origin of Time and Inertia