A more plausible explanation for the decline and disappearance of dinosaurs based on research. Not the final word, but interesting. Nature does not sustain the same forms in the same configuration indefinitely. Nature perpetuates change in structures, species, and people. Transformation is a process to better understand. Moments exist for steady adherence to form, but overall, a shift remains underway. People can contribute to this principle in increasingly meaningful ways.
The following article has great thoughts on addressing this issue:
Why tech titan Sean Parker is bankrolling collaborative cancer research