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The tens of thousands of years of our species – Homo Sapiens – mixed and intervened in other prehistoric people: our distant cousins, Neanderthals and Denisovana.
Hundreds of Neanderthal fossils give us a good understanding of their appearance, lives and relationships, but there are so little Denis that they still have no official scientific name.
The evidence of their existence came from weak footprints planned DNA markings that lie in our own genetic makeup and are only confirmed by a few fossil fragments.
However, this week, the 146,000 -year -old skull dug from a well in China in 2018 may be simply the main lack of this crypt of evolution.
Long ago
The almost full skull, recovering from the well in Harbine, in China, dates back to at least 146,000 years ago. – Hebei Geo University
Almost complete skull did not match any of the previously known prehistoric human species.
However, two new studies claiming researchers are one of the largest documents of paleoanthropology of the year, describing in detail how scientists have been able to extract genetic material from fossil and help find out this biological secret.
An example of a DNA taken from the “dragon man”, as a specimens, revealed that it was actually associated with Denisuvians, early people who are believed to have lived about 500,000-30,000 years ago.
The conclusion can be monumental, helping to draw a complete picture of time when our own species existed with other prehistoric people.
Throughout the universe
Astronomers have long been dealing with the challenge of “dark matter”, but also many riddles of the surrounding matter.
The protons and neutrons we are familiar with are called Baryonic Mater. And this material is distributed among galaxies such as intergalactic fog, making it extremely difficult to measure it.
This is probably so far.
The new study explained how scientists were able to observe Barryonic material using a quick radio explosion.
Ocean secrets
At a rare meeting, scientists captured the first impossible 3 -foot -long squid filmed in their deep -sea sea habitats.
Excavated
Fruits, flowers, birds and musical instruments decorated the walls of a luxurious villa – a part of the living room excavation team called the British British Beverly Hills – before the building was demolished about 1800 years ago.
The murals were carefully united by experts of the London Museum Museum of Archeology. Han Li, a senior construction material specialist, Mola, described these efforts as the possibility of “once in life”.
Romans invaded modern Britain 43 AD and founded the predecessor of Londinium, the modern London. The occupation lasted almost 400 years.
Curiosity
Scientists say the Sericosura sea spiders can transmit methane burned bacteria to pass as a light source of food. – Shana Goffredi
According to the life confirming sunlight, methane is avoidance of dangerous gas.
The chemical contaminant of heat breaks in the Earth’s atmosphere, the methane worsens the climate crisis. However, in the deep recesses of the planet – thousands of feet below the ocean surface from the western coast of the US – gas can be converted into nutritious food.
At least for spiders.
Scientists say they have discovered three species of sea spiders living around methane leakage. In these marine habitats where sunlight cannot reach, gas escapes through cracks in the seabed and nourishes bacteria that obscure spider exoskeletons.
According to a new study, bacteria turn carbon rich methane and oxygen into sugar and fat that spiders can eat.
Researchers say the newly discovered Sericosura sea spiders can transmit methane burning bacteria to their wigs as a light source of food.
Note
View the following other necessary science stories from the week:
– SpaceX Starship rocket, exploding on a normal land test on Wednesday. Investigate how this and other recent failures can affect the company’s Mars ambitions.
– A small brown moth in Australia migrates about 600 miles at night using stars for navigation – it was known that only humans and birds did.
– Hunting of ghostly space particles found anomalous signals from Antarctic ice. A new detector could help scientists explain what they are.
– Researchers used DNA to reconstruct the face of a prehistoric woman who lived about 10,500 years ago, which is now in Belgium, which indicates that the color of the skin was already very different among different populations.
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