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.
Breathe it in – the air around you is roughly 78% nitrogen, 21% oxygen, and 1% argon. During your lifetime, you'll inhale and exhale this life-giving mixture 672,768,000 times. Give the air around you a big hug.
When their food sources were depleted our ancestors moved to areas where they would have access to meat and vegetation. It was thanks to agriculture humans could settle in, which irreversibly changed the course of history.
More intelligent people are significantly more likely to exhibit social values and religious and political preferences that are novel to the human species in evolutionary history. Specifically, liberalism and atheism, and for men (but not women), preference for sexual exclusivity correlate with higher intelligence, a new study finds
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.
Under occupation, Danish farmers were banned from raising their home country?s flag. In protest against the flag ban, farmers came up with an ingenious idea. The farmers would raise a new pig breed in protest.
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
Potatoes grown by cloning are cheap and plentiful, but they share the same genetic information, which makes them vulnerable to the same potato diseases.