It was only about sixty years ago that the expansion of the universe was first observed.

There is no publication in the scientific literature - in prestigious journals, specialty journals, or books - that describes how molecular evolution of any real, complex biochemical system either did occur or even might have occurred.

As the number of unexplained, irreducibly complex biological systems increases, our confidence that Darwin's criterion of failure has been met skyrockets toward the maximum that science allows.

Since natural selection requires a function to select, an irreducibly complex biological system, if there is such a thing, would have to arise as an integrated unit for natural selection to have anything to act on.

Skin is made in large measure of a protein called collagen.

Thus it seemed to Haeckel that such simple life could easily be produced from inanimate material.

Proteins are the machinery of living tissue that builds the structures and carries out the chemical reactions necessary for life.