Life on Earth

Climatic Tipping Points

Introduction First up—what are Climatic Tipping Points? Tipping points are thresholds where a small change could push a system into a completely new state. They are based on positive feedback loops, whereby an effect of something actually reinforces the cause. With respect to the Earth’s climates, they are caused when particular impacts of global heating…

Continue reading

Largest Insects on Earth – Past and present

Introduction The blog of March this year checked out insectoid aliens so this month I thought it would be fun to have a look at the insects of Earth. In particular a few of the largest ones, both current and past. There’s no doubt that insects are immensely varied, and  how they operate is [just…

Continue reading

A Beautiful Pink Manta Ray

Introduction Whilst we looked at Insectoid aliens last month, with particular emphasis on the mantis type, I thought this month we could come down to earth, [or more appropriately water] and look at a Pink Manta Ray. Yes, these rather beautiful and fairly intelligent creatures have produced a pink version who lives around Lady Elliot…

Continue reading

Pre-human civilisations

Introduction The subject of technological pre-human civilisations on Earth is a contentious one. Surely we would have found something from a society that existed millions of years before ours. Or would we? Our current climate experiences suggest that things can happen very quickly, including devastating fire events, earthquakes and volcanoes. Maybe traces of an extinct…

Continue reading