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Call for papersThe 2026 special issue on Climate & Health is open for submissions.Learn more
Natural Science is an international journal dedicated to the latest advancements in natural sciences. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of natural sciences. All manus…
Mashair Ahmed Mohammed Yousif, Nafie A. Almuslet, Elfatih A. Hassan, Fatima Medany Mohamed Taha, Mohammed Idriss Ahmed Mohammed, Abeer Eltaybe Fagir Osman
In this work, Laser Induced Breakdown Spectroscopy (LIBS) was used to determine the constituent of Gum Arabic ( Acacia nilotica ) collected from five different locations in Sudan. Gum samples were irradiated with 80 mJ pulse energy of Nd-YAG laser (1064 nm) a…
Kern E. Kenyon
A fluid flow model consisting of Bernoulli’s law in its normal form, the equation of state of air, and the cross-stream force balance between a downward pressure gradient and the upward centrifugal force on fluid particles moving along curved streamlines over…
Joseph J. Smulsky
Two reviews of papers are considered. The first paper for a galaxy model uses matter consisting of neutrinos, bosons and other similar particles. It is shown that these particles were introduced as a result of an incorrect description of interactions in the T…
Kim Z. Gamburg
Drought stress in plants is accompanied by several metabolic changes. One of them is the appearance of N -malonyltryptophan (MT) during leaf wilting of many species, but there is a significant number of plant species in which the appearance of MT did not occu…
Peter Love
The purpose of this note is to stimulate interest in measuring and characterizing the emitted ultraviolet frequencies in antimicrobial copper materials. Antimicrobial sanitizing materials are urgently needed to limit the spread of COVID-19 virus. In the curre…
Kern E. Kenyon
Fluid particles in translating surface gravity waves have an orbital motion which decreases in size with increasing mean depth. These wave characteristics came from observations and were not forecast theoretically. The classical potential flow model is incapa…
Soha Saleh, Zhiguo Jiang, Guang H. Yue
Objective of the study: This study aimed at characterizing output features of the higher-order motor control centers (hoMCCs), including secondary (premotor cortex [Pre] and supplementary motor area [SMA]) and association (prefrontal cortex [PFC]) motor regio…
Ernst Karl Kunst
This paper discusses the “Hubble constant measurement—mystery”. Independent measurements of this cosmic parameter, referred to as H 0 in abbreviated form, have all led to different values, with the highest value ≈ 74 km · s -1 · Mpc -1 and the lowest ≈ 67 km…
Osamu Takagi, Masamichi Sakamoto, Hideo Yoichi, Kimiko Kawano, Mikio Yamamoto
Since October 2007, we have been conducting rigorous scientific research on the unexplained “power” of a pyramidal structure (PS). From our research results so far, we could classify the pyramid effects by the PS into the following two types. (i) The pyramid…
Ruomeng Xu, Ludan Lei, Ruihua Qin, Zhende Huang, Kuo-Chen Chou
The biological principal or its detailed mechanism for the pandemic coronavirus disease 2019 (COVID-19) has been investigated and analyzed from the topological entropy approach. The findings thus obtained have provided very useful clues and information for de…
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Natural Science is an international journal dedicated to the latest advancements in natural sciences. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of natural sciences. All manus… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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