The first humans appeared, not where previously thought

Date:

2019-11-01 01:40:07

Views:

3012

Rating:

1Like 0Dislike

Share:

The first humans appeared, not where previously thought Source:

this is the area where according to the results of the study were the first people

A new study says that the cradle of humanity — or the birthplace of Homo Sapiens is not where previously thought. The paper was published in the magazine and was greeted by many researchers with skepticism. According to the authors of the study, the first anatomically modern humans appeared in the area, which lies to the South of the basin of the Zambezi in Northern Botswana in Africa. Today this district is dominated by salt pans, but when it was , which may have been our first house 200 thousand years ago.

Evolutionary milestones in the history of mankind

the
    the
  • 400 000 years ago: — our evolutionary cousins — start to appear and move through Europe and Asia
  • the
  • 300 000 — 200,000 years ago: Homo Sapiens — modern humans — appear in Africa
  • the
  • 50 000 — 40 000 years ago: modern humans reach Europe.

What was the path of our ancestors?

Professor Vanessa Hayes, a geneticist from the medical Institute Garvan in Austria and lead author of the study believes that anatomically modern humans appeared in Africa approximately 200 thousand years ago and began to explore the area as soon as opened up a fertile green corridors, paving the way for future migrations from Africa. According to the results obtained by Professor Hayes, our ancestors lived in the area of Botswana for 70 thousand years and remained there until, until the local has not changed. Probably a huge system of lakes, known as lake Makgadikgadi, was of vast territories with a large amount of moisture, which actually provide suitable habitat for modern people and wildlife.

After staying there for 70 thousand years, people have started to move on. Shifts in rainfall across the region has led to three waves of migration 130 thousand and 110 thousand years ago, caused by open corridors of green fertile land. The first migrants went to the North-East, and then followed by a second wave of migrants who went to the South-West, and the third part of the population remained at home. This scenario is based on tracing a family tree using hundreds of samples of mitochondrial — a piece of DNA that is inherited through the maternal line — from living Africans. Combining genetics with computer models of the Geology and climate, the researchers were able to draw a picture of what could be the African continent 200 million years ago.

Reconstruction of human history

However, the study was met with caution by other experts in this field. Some scientists believe that it is impossible to reconstruct human origin based on mitochondrial DNA data. The results of previous studies say about human origins in East Africa.

the debate about where the first people is unlikely to end soon

Professor Chris stringer from the natural history Museum in London, which is not associated with the study, said in an interview that the evolution of Homo Sapiens has been a complex process. Themselves of mitochondrial DNA, according to Stringer, are unable to reconstruct the only place of human origins. The fact that in this study, the researchers drew attention to the tiny part of the genome, and one she can't tell you the whole story of our origin. Thus, the cradles of mankind could be many, and some of them scientists have yet to discover.

Recommended

Can genes create the perfect diet for you?

Can genes create the perfect diet for you?

Diet on genotype can be a way out for many, but it still has a lot of questions Don't know what to do to lose weight? DNA tests promise to help you with this. They will be able to develop the most individual diet, because for this they will use the m...

How many extraterrestrial civilizations can exist nearby?

How many extraterrestrial civilizations can exist nearby?

If aliens exist, why don't we "hear" them? In the 12th episode of Cosmos, which aired on December 14, 1980, co-author and host Carl Sagan introduced viewers to the same equation of astronomer Frank Drake. Using it, he calculated the potential number ...

Why does the most poisonous plant in the world cause severe pain?

Why does the most poisonous plant in the world cause severe pain?

The pain caused to humans by the Gimpi-gympie plant can drive him crazy Many people consider Australia a very dangerous place full of poisonous creatures. And this is a perfectly correct idea, because this continent literally wants to kill everyone w...

Comments (0)

This article has no comment, be the first!

Add comment

Related News

Men are better than women joke — proven by research

Men are better than women joke — proven by research

it's No secret that women love to laugh the Researchers argue that men are better than women just kidding. In the course of work, scientists have studied the results of 28 studies in which subjects were asked to rate the jokes of ...

The easy learning of new words

The easy learning of new words

the Word "Wunderkind" in German translates to "beautiful child." surely, every parent wants their child to grow up well educated man. So many people are trying as early as possible and to read. However, before all this, kids need ...

What is inside the mummies of ancient Egyptian cats?

What is inside the mummies of ancient Egyptian cats?

looks like most of the mummies of cats recently we talked about the fact that in Egypt was made the largest in the past century, the archaeological discovery. The fact that the local archaeologists were able to find that were not ...

What determines the color of bird eggs?

What determines the color of bird eggs?

Color of bird eggs depending on ambient temperature According to the International ornithologists ' Union, by March 2019, scientists know more than 10 738 species of birds. They live in virtually , and even within the hot Sahara d...

The ozone hole shrank to record-low numbers

The ozone hole shrank to record-low numbers

Ozone layer As the portal , the ozone hole over Antarctica, where harmful ultraviolet rays of our star burst through the stratosphere, was first reduced to the smallest dimensions, was 1985. Why so happened and how it can affect E...

Quantum processes influence consciousness

Quantum processes influence consciousness

Can quantum processes to exert influence on the human consciousness? the Origin of consciousness has always been a mystery to scientists and philosophers, each trying to find a logical solution to this eternal question. Although s...

Ancient kangaroos once filled the Land

Ancient kangaroos once filled the Land

Prehistoric kangaroo was more like a three-meter pandas did you Know that the closest living ice age is not a modern kangaroo and Panda? Although these prehistoric animals lived in Australia, like their counterparts from the XXI c...

Evidence was found that monkeys are able to eat rats

Evidence was found that monkeys are able to eat rats

Macaque appeared about 5.1 million years ago. What do you know about one of the most famous types of monkeys — monkeys? Perhaps some of you remember that they live in the tropical forests of Asia, mostly prefer vegetarian food and...

Social status can be determined in just seven words

Social status can be determined in just seven words

the Recruiter is the impression of the applicant within the first few seconds of communication Researchers believe that the social status of a person can determine in just seven words. Moreover, according to a study published in t...

#video | Mouse learned how to drive small cars

#video | Mouse learned how to drive small cars

Tiny car for rats was made from plastic packaging the Lab rats have a highly developed intellect and help scientists from around the world to study . For example, in many studies they are complex mazes, but this task in some cases...

White sharks gather annually in groups off the coast of Australia, but it is not clear why

White sharks gather annually in groups off the coast of Australia, but it is not clear why

White shark is considered one of the most dangerous predatory fish. we All love at least once a week to meet friends. Think sharks are also not averse to forget about hunting and once a year to see old friends. At least, this is e...

Allergy season in the towns there is less crime

Allergy season in the towns there is less crime

In the period of exacerbation of allergies the person becomes less aggressive because of weakness the air we Breathe can affect our behavior. Recently this fact was confirmed by researchers from the us state of Colorado, which fou...

What feature unites all modest people?

What feature unites all modest people?

Modest people are more valued in society. Surely among your relatives and friends there are people who are particularly shy. Behind them can stand years of education in prestigious universities, experience with celebrities and but...

What animals have six toes and why are they needed?

What animals have six toes and why are they needed?

Madagascar romanoski was opened in 1780 by the French naturalist Pierre Sonner humans, like most primates, on the hand has exactly five fingers. It is believed that this design feature of our bodies has been passed down to us from...

In Egypt found 30 mummies. Why is it the biggest discovery of the last century?

In Egypt found 30 mummies. Why is it the biggest discovery of the last century?

Egypt has made the largest in the last 100 years of archaeological discovery. Egypt has a rich history, so there is nothing surprising in the fact that in this country very often made archaeological discoveries. For example, recen...

Can the brain solve problems during sleep?

Can the brain solve problems during sleep?

Human brain processes information even while you sleep. Probably everyone at least once in my life heard of that in my sleep listening to an audiobook, you can remember the information contained therein. Especially like the idea t...

Excessive activity of the brain can significantly reduce life expectancy

Excessive activity of the brain can significantly reduce life expectancy

Active use of the brain resources may not always lead to a positive result As reported , one of the keys to a long and healthy life can be calm the brain without a lot of neural activity. According to a new study that studied post...

Predatory fish piranha teeth alter the whole blocks. But why?

Predatory fish piranha teeth alter the whole blocks. But why?

Movies about piranhas being told that they are very dangerous. But is it really? Hearing the phrase "predatory fish", many people immediately think about . But the danger for many living beings also represent a tiny piranha that c...

Why the ancient inhabitants of the seas has lined up?

Why the ancient inhabitants of the seas has lined up?

So millions of years ago looked turn of the trilobites Each of us saw what was happening on the streets during rush hour — the roads are crowded standing one behind the other cars, and stores are built for food. You will not belie...

Can a clone of white Rhino to save a species from extinction?

Can a clone of white Rhino to save a species from extinction?

the Latest in the world of 45-year-old white Rhino Sudan died of natural causes. Recently, died the last , forcing scientists actively look for ways to save the species from the brink of extinction. Throughout the world there are ...