The number of humans on Earth at any one time has grown astronomically over the last two 250 to 300 years. Two thousand years ago, there were 300 million humans on Earth.
One of the issues most frequently raised by both creationist and intelligent design writers is the question of gaps in the fossil record.
They appeared in an evolutionary blink and changed the rules of life for ever. Before eyes, life was gentler and tamer, dominated by sluggish soft-bodied creatures lolling around in the sea. The invention of the eye ushered in a more brutal and competitive world. Vision made it possible for animals to become active hunters, and sparked an evolutionary arms race that transformed the planet.
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
Tipped off by an article on economics on the survival of the fittest in the free market economy, the English biologist Charles Darwin initiated a study on the fish population. Little did he know that he was about to cause a dramatic change in thinking in natural sciences.
The research literature reveals religion as a major barrier to the acceptance of the theory of evolution. What exactly causes religious individuals to reject scientific evidence?
In the second of the nineteenth century a fierce debate broke in the scientific community about Darwin's theory of evolution. However, by the twentieth century the debate was over.
Virtually all live-born babies grow up to have their own babies. Does this mean human natural selection, hence the evolution of humans, is coming to an end?
World Health Organisation estimates worldwide there are 1 billion cases of influenza annually. We catch the flu, recover from it, but we are not off the hook, we can catch the flu again.