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Preview: Ancient Civilizations Current Events and Ancient Civilizations News from Brightsurf

Ancient Civilizations Current Events and Ancient Civilizations News from Brightsurf

Ancient Civilizations Current Events and Ancient Civilizations News Events, Discoveries and Articles from Brightsurf

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Far-red fluorescent silk can kill harmful bacteria as biomedical and environmental remedy

Thu, 19 Apr 18 00:04:10 -0700

A silk hybrid material attacks bacteria when illuminated by a green light, thanks to a far-red fluorescent protein researchers transferred to its genetic makeup.

Clear as mud: Desiccation cracks help reveal the shape of water on Mars

Thu, 19 Apr 18 00:03:10 -0700

As Curiosity rover marches across Mars, the red planet's watery past comes into clearer focus.

New species of ancient whale identified and named by Otago paleontologists

Wed, 18 Apr 18 00:13:10 -0700

University of Otago paleontologists are rewriting the history of New Zealand's ancient whales by describing a previously unknown genus of baleen whale, alive more than 27.5 million years ago and found in the Hakataramea Valley, South Canterbury.

Iron Age breeding practices likely influenced lack of stallion lineages in modern horses

Wed, 18 Apr 18 00:11:10 -0700

Selective breeding just before and during the Iron Age nearly 3,000 years ago is likely the reason for the lack of variability in modern domestic horses' paternally inherited DNA, a trait unique among livestock animals.

Climate change mitigation project threatens local ecosystem resilience in Ethiopia

Mon, 16 Apr 18 00:13:10 -0700

To increase forest cover in the Global South in order to mitigate climate change does not always have positive effects, as shown in a new study undertaken by Stockholm University in southern Ethiopia. It can also threaten biodiversity and the survival of unique alpine plants.

We think we're the first advanced earthlings -- but how do we really know?

Mon, 16 Apr 18 00:16:00 -0700

Imagine if, many millions of years ago, dinosaurs drove cars through cities of mile-high buildings. A preposterous idea, right? In a compelling thought experiment, professor of physics and astronomy Adam Frank and director of the NASA Goddard Institute for Space Studies Gavin Schmidt wonder how we would truly know if there were a past civilization so advanced that it left little or no trace of its impact on the planet.

Sweet potato history casts doubt on early contact between Polynesia and the Americas

Thu, 12 Apr 18 00:15:00 -0700

Evidence reported in the journal Current Biology on April 12 shows that sweet potatoes arose before there were any humans around to eat them. The findings also suggest that the sweet potato crossed the ocean from America to Polynesia without any help from people. The discovery raises doubts about the existence of pre-Columbian contacts between Polynesia and the American continent.

Most primitive kangaroo ancestor rediscovered after 30 years in obscurity

Wed, 11 Apr 18 00:03:10 -0700

A handful of tiny teeth have led scientists to identify the most distant ancestor of today's kangaroos. The fossils were found in the desert heart of Australia, and then hidden away, and almost forgotten in a museum collection for over three decades. The findings are published in the Journal of Vertebrate Paleontology.

Humans may have occupied Indonesian site Leang Burung 2 earlier than previously thought

Wed, 11 Apr 18 00:13:50 -0700

Renewed excavations at the Late Pleistocene Leang Burung 2 rock shelter archaeological site on the island of Sulawesi, Indonesia have revealed new evidence of early human occupation, according to findings by Adam Brumm of Griffith University's Australian Research Centre for Human Evolution, and colleagues from Indonesia's National Research Centre for Archaeology (ARKENAS), published April 11, 2018 in the journal PLOS ONE.

Outback radio telescope listens in on interstellar visitor

Tue, 10 Apr 18 00:16:10 -0700

A telescope in outback Australia has been used to listen to a mysterious cigar-shaped object that entered our Solar System late last year. When 'Oumuamua was first discovered, astronomers thought it was a comet or an asteroid from within the Solar System. But after studying its orbit and discovering its long, cylindrical shape, they realised 'Oumuamua was neither and had come from interstellar space.

A cosmic gorilla effect could blind the detection of aliens

Tue, 10 Apr 18 00:10:50 -0700

A well-known experiment with young people bouncing a ball showed that when an observer focuses on counting the passes, he does not detect if someone crosses the stage disguised as a gorilla. According to researchers at the University of Cádiz (Spain), something similar could be happening to us when we try to discover intelligent non-earthly signals, which perhaps manifest themselves in dimensions that escape our perception, such as the unknown dark matter and energy.

First human migration out of Africa more geographically widespread than previously thought

Mon, 09 Apr 18 00:04:50 -0700

A project led by the Max Planck Institute for the Science of Human History has discovered a fossilized finger bone of an early modern human in the Nefud Desert of Saudi Arabia, dating to approximately 90,000 years ago. The discovery, described in Nature Ecology and Evolution, is the oldest directly dated Homo sapiens fossil outside of Africa and the Levant and indicates that early dispersals into Eurasia were more expansive than previously thought.

Genetics of the modern heirs of the Inkas shed new lights about their origins and lineages

Fri, 06 Apr 18 00:03:00 -0700

A study of the Inka origins and their lineages was performed in twelve contemporary families with presumed patrilineal lineage to Inka monarchs. A comparison of Y-chromosome and mtDNA markers of these descendants with a database of about 2400 South American native individuals of Peru, Bolivia, Brasil and Ecuador showed two distinct patrilineal clusters, and a very diverse matrilineal origin. In addition they show great affinity to areas South of Cusco including the Lake Titicaca.

Research shows first land plants were parasitized by microbes

Wed, 04 Apr 18 00:01:20 -0700

Sainsbury Laboratory researchers have found that the relationship between plants and filamentous microbes not only dates back millions of years, but that modern plants have maintained this ancient mechanism to accommodate and respond to microbial invaders.

Ancient origins of viruses discovered

Wed, 04 Apr 18 00:07:40 -0700

Research published today in Nature has found that many of the viruses infecting us today have ancient evolutionary histories that date back to the first vertebrates and perhaps the first animals in existence.