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.
Convergent evolution is when different organisms independently evolve similar traits. For example, sharks and dolphins look relatively similar despite being entirely unrelated. Sharks (opens in new tab) are egg-laying fish with the deadly ability to sniff out blood in the water, while dolphins are curious mammals that navigate by making clicking sounds and listening for their echoes. Those differences aren't too surprising, considering that the duo's last common ancestor swam the seas some 290 million years ago. .
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
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.
Potatoes grown by cloning are cheap and plentiful, but they share the same genetic information, which makes them vulnerable to the same potato diseases.
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.
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?
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?
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.