In the News
Synthesizing a new breed of chemist
From the age of 13, Mark Leach has had a subscription to the popular-science magazine Scientific American, and more recently the journal Nature. His scientific interests include cosmology, high energy and nuclear physics, materials science (particularly carbon nanotubes), geophysics, molecular biology, evolution, information technology, the brain, defense technology, and scientific ethics. Professionally, Mark is a [...] Toxic Substances In The Oxidation Of Fats And Oils
Consumers' food health and safety may be affected by the presence of micro-organisms and toxic substances in foodstuffs. The cause of the presence of toxic substances in food is sometimes due to the fact that these have been subject to processes of degradation. The oxidation or thermal degradation of food lipids causes deterioration in foodstuffs and the generation of toxic substances. National Science Board Approves Funds For Petascale Computing Systems
The National Science Foundation plans to fund the acquisition and deployment of the world's most powerful "leadership-class"supercomputer, proposed in response to NSF's "Track 1"supercomputing solicitation. This "petascale"system is expected to be able to make arithmetic calculations at a sustained rate in excess of a sizzling 1,000-trillion operations per second (a "petaflop"per second) to help investigators solve some of the world's most challenging science and engineering research problems. Do You Speak American?
Companion to a Public Broadcasting Service (PBS) program that "examine[s] the dynamic state of American English —a language rich with regional variety, strong global impact and cultural controversy."Includes essays on topics such as vocabulary, pronunciation, the power of prose, language as prestige, and shifts in regional language. Also includes sound clips, examples of mispronounced words, a show transcript, quizzes, and links to related information. Searchable. Handbook On Pay and Leave Benefits For Federal Employees Affected By S
"Provides a general summary of the many pay and leave benefits available to assist Federal agencies and employees who must cope with severe weather emergencies or other emergency situations and their aftermath. ... Since many of the benefits discussed in this Handbook may be granted at the discretion of each employing agency, employees should contact their agency's human resources office for further information."Opens directly into a PDF file. From the U.S. Office of Personnel Management (OPM). New Data About The Laws Governing Embryo Development In Organisms Emer
Research aimed at understanding the mechanisms underlying embryo development has taken a step forward thanks to collaborative work between biologists specialized in the study of the fruit fly and scientists specialized in the design of mathematical models that simulate the functioning of biological systems. [Funny] A referee has sent himself off in an English amateur league ma
Andy Wain had to abandon the Sunday league match between Peterborough North End and a Royal Mail side in the 63rd minute after throwing down his whistle and marching up to confront North End's keeper. Gene Therapy To Treat Haemophilia; Cure Achieved In Dogs -- Are Humans
A leading researcher from Philadelphia USA, Professor Katherine High, is examining the obstacles to successful gene therapy in human patients with haemophilia. Living With Mosses
This website has the goal of enhancing "public awareness of the effects and benefits of mosses in our everyday environment."In addition to basic moss biology, the site discusses moss on sidewalks and rooftops, mosses in lawns and gardens, pros and cons of mosses in these environments, physical and chemical moss control methods, and encouraging mosses. Prepared by students and faculty at Oregon State University. Developing Nervous System Sculpted By Opposing Chemical Messengers
A newborn baby moves, breathes and cries in part because a network of nerves called motor neurons carry signals from the infant's brain and spinal cord to muscles throughout its body.
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