Scientists have identified a new threat of climate change. Scientists say climate change can shorten human height and brain. In the last millions of years, it has affected the height and breadth of humans. It is directly related to temperature. This claim has been made by researchers from Cambridge and Tubingen Universities.
The way the temperature is increasing year after year and the heat is increasing, this research of scientists on it is going to alert.
For research, scientists saw more than 300 fossils of humans from all over the world. The size of their body and brain was examined. The investigation revealed that every fossil of humans has suffered the impact of climate change.
The human species Homo originated in Africa 3 million years ago, but it is much older than that. Other species of humans were also included in this, such as Neanderthals, Homo erectus, Homo habilis.
If we look at the development of humans, then the size of their body and brain has been increasing. Homo habilis was 50 times more massive than the present human being and their brain was up to 3 times bigger.
Our research indicates that for millions of years, the temperature has been a key factor in changing body shape, says Professor Andrea Manica of Cambridge University. Just as the human body grows today in places with cold climates and the body of those living in areas with warm temperatures is smaller, in the same way, climate change has always affected the human body.
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According to research published in the journal Nature Communication, the human body adjusts itself to different types of temperature. About 11,650 years ago, the human brain started shrinking.
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