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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Finding solutions to the multi-dimensional compressible Euler equations
多维 可压缩 欧拉方程 解
2023/4/24
This talk will survey some results for the two- or three-space dimensional compressible Euler equations. We shall present non-uniqueness results of weak entropy solutions using convex integration and ...
Lemurs rely on scent when it comes to finding a mate（图）
Lemurs rely on scent finding a mate
2019/10/28
A study of lemur scents funded by the National Science Foundation and conducted by researchers at Duke University finds that an individual's distinctive body odor reflects genetic differences in its i...
Why might the finding of a new genetic association with inflammatory bowel disease be of potential value in disease control?
new genetic association inflammatory bowel disease potential value disease control
2018/11/20
Inflammatory bowel disease (IBD) has long been recognized as an exaggerated inflammatory response to common antigenic stimuli in the gut. Ulcerative colitis (UC) (1) and Crohn disease (CD) (2) are the...
Sunlight plays a key role in the natural degradation of oil after a spill, oxygenating the oil so it dissolves in seawater and comes in contact with microbes that will break it down. But, under certai...
New finding shows that males can drive creation of new species
males drive creation new species
2016/2/22
Evolutionary biologists often debate on whether sexual selection can lead to new species. Most studies have focused on natural selection or, for the few studies that considered sexual selection, on ho...
A fast method for finding bound systems in numerical simulations:Results from the formation of asteroid binaries
Asteroids Dynamics Data analysis techniques
2015/12/25
We present a new code (companion) that identifies bound systems of particles in O(N logN) time. Simple binaries consisting of pairs of mutually bound particles and complex hierarchies consistingof col...
Astronomers Peer Inside Stars,Finding Giant Magnets
Astronomers Peer Inside Stars Giant Magnets
2015/11/12
Using a technique called asteroseismology, the scientists were able to calculate the magnetic field strengths in the fusion-powered hearts of dozens of red giants, stars that are evolved versions of o...
The shape of Vesuvius before the 79 A.D. eruption according to a new finding from a Pompei fresco and Vesuvius central cone history in the last 2000 years
Vesuvius paleomorphology Vesuvius 79 a.d. shape Pompei archaeology history of geology
2015/10/8
The history of Vesuvius and its central cone or Great Cone (Gran Cono) is important because it enables us to improve our understanding of the structural evolution of Somma-Vesuvius. Apart from geologi...
Anyone who's ever noticed a water puddle drying in the sun has seen an environment that may have driven the type of chemical reactions that scientists believe were critical to the formation of life on...
Dance of the spirits, it's known by the Cree, one of North America's largest groups of Native Americans.The phenomenon, called the aurora borealis in the Northern Hemisphere and aurora australis in th...
ExoPTF Science Uniquely Enabled by Far-IR Interferometry: Probing the Formation of Planetary Systems, and Finding and Characterizing Exoplanets
Finding Characterizing Exoplanets
2014/12/22
By providing sensitive sub-arcsecond images and integral field spectroscopy in the 25 – 400 ìm wavelength range, a far-IR interferometer will revolutionize our understanding of planetary system format...
Scientists have shown how gravitational waves—invisible ripples in the fabric of space and time that propagate through the universe—might be “seen” by looking at the stars. The new model, developed in...
Finding supports model on cause of DNA's right-handed double helix（图）
The double helix structure Cosmic ray electrons Bolt Nut Screw Nano Molecular physics DNA
2014/10/9
The DNA of every organism on Earth is a right-handed double helix, but why that would be has puzzled scientists since not long after Francis Crick and James Watson announced the discovery of DNA's dou...
This fundamental question has been a longstanding mystery in particle physics, although it was once thought that the answer would be fairly straightforward: The spin of a proton’s three subatomic part...
Model of viral lifecycle could help in finding a cure for hepatitis B（图）
viral lifecycle cells immune response
2014/8/19
A new technique for studying the lifecycle of the hepatitis B virus could help researchers develop a cure for the disease.
In a paper published today in the journal Proceedings of the National Academ...