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Megastar!(astronomers study an extremely bright star called Piston Star)(includes related information on the history of the Hubble Space Telescope)(Brief Article)
Science World
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December 8, 1997|
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COPYRIGHT 1997 Scholastic, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.
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Astronomers get their first close look at what may be the brightest star in the galaxy. And they're totally dazzled by what they've see.
It blazes with the light of 10 million Suns. It spans at least 300 kilometers (186 million miles) in diameter--so huge it would stretch from the Sun to the Earth's orbit. It may be the brightest star ever seen in our galaxy, the Milky Way. Unbelievable? Some astronomers thought so too--until three months ago.
Last September the Hubble Space Telescope transmitted vivid photos from space of what could be the Milky Way's most ...
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Arginine maxed: taking arginine to the extreme for a bigger pump, greater strength, muscle growth and fat loss, too.(NUTRITION)
Magazine article from: Flex
; ...supplement secrets in your bodybuilding pursuits. This month, we dive into arginine and the many benefits this amino has to offer. Arguments for Arginine Bodybuilders use arginine for two main reasons. The first goes back decades--to boost growth...
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Arginine Supplementation Enhances Mitogen-Induced Splenocyte Proliferation but Does Not Affect In Vivo Indicators of Antigen-Specific Immunity in Mice1,2
Magazine article from: The Journal of Nutrition
; ABSTRACT Arginine is a conditionally essential amino acid...lymphocyte proliferation with dietary arginine supplementation; however, not all studies...Even less is known about the effect of arginine supplementation on in vivo immune responses...
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Dietary arginine slightly and variably affects tissue polyamine levels in male Swiss Albino mice
Magazine article from: The Journal of Nutrition
; Nutrient Metabolism Dietary Arginine Slightly and Variably Affects Tissue Polyamine Levels in...ABSTRACT Many key metabolic and physiologic functions involve arginine and arginine-derived metabolites. Requirements for arginine, a "conditionally...
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Arginine Transport in Catabolic Disease States1,2
Magazine article from: The Journal of Nutrition
; ABSTRACT Arginine appears to be a semiessential amino acid in humans...sepsis, injury, and cancer cause an increase in arginine utilization, which exceeds body production, leading to arginine depletion. This is aggravated by the reduced...
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Arginine Nutrition in Neonatal Pigs1,2
Magazine article from: The Journal of Nutrition
; ABSTRACT The concentration of arginine (an essential amino acid for neonates) in sow...remarkably low, and thus endogenous synthesis of arginine plays a crucial role in maintaining arginine homeostasis in milk-fed piglets. Paradoxically...
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Citrulline Is an Effective Arginine Precursor in Enterally Fed Neonatal Piglets1,2
Magazine article from: The Journal of Nutrition
; ...ABSTRACT Although neonatal piglets can synthesize some arginine from proline, there is a limit to this synthesis, and piglets fed an arginine-deficient diet have diminished whole-body arginine status. To help elucidate where the limitation in...
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Renal Arginine Metabolism1,2
Magazine article from: The Journal of Nutrition
; ABSTRACT The kidney plays a major role in arginine metabolism in 3 principal ways: arginine synthesis, creatine synthesis, and arginine reabsorption. Appreciable quantities of arginine are synthesized in the...
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Arginine Metabolism: Boundaries of Our Knowledge1-3
Magazine article from: The Journal of Nutrition
; Abstract Arginine has multiple metabolic fates and thus is...diet, and state of health or disease. Arginine metabolism also is modulated by activities of various transporters that move arginine and its metabolites across the plasma and...
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Arginine and Cancer1
Magazine article from: The Journal of Nutrition
; ABSTRACT Arginine is a dibasic, cationic, semiessential...and nitric oxide (NO) biosynthesis. Arginine is conditionally essential since it becomes...growth and after recovery after injury. Arginine also promotes wound healing and functions...
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Arginine's new growth potential
Magazine article from: Joe Weider's Muscle & Fitness
; ...Hormone researchers have long known that arginine can stimulate GH release. Some experimental...re more related to the effect of arginine itself. In any case, bodybuilders might benefit from moderate arginine supplementation. Let's explore the...
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