Circulating tumor DNA (ctDNA) refers to DNA found in the bloodstream that comes from cancerous cells and tumors. CtDNA identification is one of the most meaningful approaches to early cancer diagnosis. However, there are ...
Biotechnology
Jun 16, 2020
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3
Coal-fired central heating is widely used in the winter in northeast China, and the consumption of fossil fuels for winter heating could produce a large number of fine particulates, sulfides and nitrogen oxides, which aggravates ...
Environment
Jun 16, 2020
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5
The exchange of a secret key for encrypting and decrypting messages over a distance of 1,120 kilometers is reported in Nature this week. This achievement is made using entanglement-based quantum key distribution, a theoretically ...
General Physics
Jun 16, 2020
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155
Grotte de Cussac cave in Dordogne, France, is the site of stunning cave art, containing more than 800 figurative engravings of animals and humans that are between 25,000 and 30,000 years old.
Archaeology
Jun 16, 2020
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1517
This April, researchers from the University Museum of Bergen excavated the remains of a small Early Iron Age grave cairn at Ytre Fosse, Western Norway. The location is spectacular, overlooking Alversund and the "Indre Skipsleia," ...
Archaeology
Jun 16, 2020
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161
ESA's ExoMars Trace Gas Orbiter has detected glowing green oxygen in Mars' atmosphere—the first time that this emission has been seen around a planet other than Earth.
Astronomy
Jun 16, 2020
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552
ESA's sun-exploring mission Solar Orbiter has made its first close approach to the star on June 15, getting as close as 77 million kilometers to its surface, about half the distance between the sun and Earth.
Astronomy
Jun 16, 2020
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168
Nestled in the constellation Taurus, a spectacle of swirling cosmic gasses measuring half a dozen lightyears across glows in shades of emerald and auburn. The Crab Nebula was born of a supernova, the explosion of a giant ...
Astronomy
Jun 16, 2020
2
45
Volcano-like features seen in polar regions of Saturn's moon Titan by NASA's Cassini spacecraft could be evidence of explosive eruptions that may continue today, according to a new paper by Planetary Science Institute Senior ...
Astronomy
Jun 16, 2020
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195
An international team of astronomers has identified nearly 21,000 low-surface-brightness galaxies (LSBGs) in the Dark Energy Survey (DES). The detection of such a huge sample could be essential to improving our knowledge ...
