Analysis of 2.7 billion tweets confirms Echo Chambers on Twitter

echo chamber

First, just for completeness, here is a quick definition. The term “Echo Chamber” is a reference to the idea that people are increasingly being only exposed to the ideas that they agree with, and don’t hear the arguments of those with whom they do not agree. The net effect is that we become more polarised. … Read more

New Study Reveals Ancient Humans Hunted Big Mammals To Extinction

Extinction

Mammal extinction is not simply something from the dim and distant past. In 1680 Sir Ewen Cameron killed the last Scottish Wolf in Killiecrankie (Perthshire). In 1786, the last wolf was killed in Ireland. So what other mammals once existed in the British Isles and when did they go extinct? Here is a brief list (culled from here) … Read more

Does a higher income enable better Nutrition decisions ?

Nutrition

We all like to believe that the choices and decisions we make are well informed and wise. In reality many of us will make some rather poor choices. When it comes to food, or to be a bit more specific, Nutrition, then how well informed are when you make a selection? A popular idea is that … Read more

Human Evolution: Sea Nomads appear to have evolved diving skills

human evolution

Some people can with practise hold their breath for long periods of time and by doing so accomplish some amazing feats of Freediving. That is more about fitness and skill, not human evolution. There is however a new study that points towards some humans actually adapting and evolving over many generations to be able to … Read more

Study: #GreatBarrierReef at ‘unprecedented’ risk of collapse after major bleaching event

great barrier reef bleaching

I’ve previously written about the 2016 bleaching event at the great barrier reef back in 2016. The update is that a new paper has just been published in Nature that contains a scientific analysis of what happened. Entitled “Global warming transforms coral reef assemblages“, it explains … Our study bridges the gap between the theory … Read more