Now we all know that the egg came before the chicken. The first chicken came from an egg that was laid by a chicken like creature. That is how evolution works, with small changes in genetic material leading to enhancements brought about by natural selection through the reproductive process. We can put that one to … Continue reading Unfolding plans 107 – Which came first?
In two previous pieces I raised the topic of bringing extinct species back to life, making such things as Tasmanian Tigers and Gastric Brooding Frogs un-extinct through DNA sequencing and clever artificial fertilisation techniques. Outside of any ethical and difficulty questions there were a few points that I thought were worth thinking about. The first … Continue reading Things to think about when making species un-extinct No.3
There is a difference between a frog and a toad but as I’m lying on my back on a rug on the grass and the thermometer is nudging thirty I really cannot muster the enthusiasm to go and find out what it is. Up above me the swifts are drawing patterns in the sky with … Continue reading Now there’s not one toad but two
The vast majority of the cells in my body don't belong to me. They belong to other forms of life, as much as seventy percent I'm lead to believe. Some of them are parasites but most live happily with the real me, the one you see, in a symbiotic relationship. The first group, the nematode … Continue reading Seventy percent