Scientists describe the three-dimensional crystal structure of aequorin, one of the photoproteins that illuminates jellyfish, ctenophores, and many other luminescing organisms. This protein is an invaluable tool for studying the role of calcium in disease (Nature).
"When Your Retirement Plan Changes," an online booklet from the American Academy of Actuaries, helps you understand how changes to your pension can affect retirement planning.
The latest images of Io reveal a world of hot volcanoes, sulfurous snowfields, and slip-sliding mountains.
This weekend NASA's Galileo spacecraft will pass 808 km above the surface of our solar system's largest moon, Ganymede.
Scientists were predicting that current La Nina conditions would persist, but now data from Earth-orbiting satellites show that it may be on the decline.
The Internet has the potential to dramatically affect the way medicine is practiced in this country, but surfing the Web is not going to replace a visit to the doctor's office any time soon, according to a professor of medical sociology at Purdue University.
Concentrations of greenhouse gases have jumped 11 percent in the last 40 years; the U.S. has signed treaties committing to reducing these gases to eight percent below 1990 levels by 2008 and individual cities are doing their part.
General Mills, GTE Corporation, Hewlett-Packard Company, IBM Corporation, and U S WEST were named winners of the Ron Brown Award for Corporate Leadership.
Robotic couriers can save hospitals a substantial amount of money, according to a University of Arkansas researcher; his hospital study found that mobile robots represent a valid alternative to human couriers for delivering specimens and pharmacy items, saving as much as $600,000 over five years.
Columbia University researchers have found that blocking the interaction of two naturally occurring molecules in tumor cells restricts the growth and spread of neoplasms in mice (Nature, 5-18-00).
"Powwow 2000: Remembering Carlisle Indian School" will be a gathering of alumni and their descendents of the country's first off-reservation boarding school for Native American children and will draw people from all over the country, says a Swarthmore College instructor of English.
The North American economy will surge 4.3% this year and 3.7% next year, according to a study released today by The Conference Board, Inc., The Conference Board of Canada and Centro de Estudios Economicos del Sector Privado A.C. of Mexico.
A new study finds that young, single women maintain conservative attitudes about marriage despite the fact that their mothers advocate personal and financial independence.
When Jonathan B. Stolzenberg receives a degree from Trinity at the school's 174th commencement on Sunday, it won't be the first time he has received a college degree, but it will be the most meaningful.
A Washington State University biochemist suggests a cause for chronic fatigue syndrome; he cites 11 different types of evidence to support his theory (Medical Hypotheses).
Benjamin S. Carson, pediatric neurosurgeon and author, advised the Ursinus Class of 2000 that success is about using your God-given talents, developing them to the extent that you lift up and become valuable to the people around you.
An intelligent software agent able to defend itself on the Worldwide Web has been created at Sandia National Laboratories. If every node on the Internet was run by one of these agents, the I-Love-You virus would not have got beyond the first machine, says lead scientist.
Results of a new study presented at the 15th Scientific Meeting of the American Society for Hypertension found that hypertensive patients who switched to Diovan experienced significantly improved quality of life while their systolic and diastolic blood pressure control was adequately maintained.
Conventional wisdom among psychiatrists has dictated that people suffering from chronic depression are best treated with a combination of antidepressants and psychotherapy; now, a large national study confirms that combination therapy is more effective than either medication or counseling alone (NEJM, 5-18-00).
Lumberyards everywhere could revolutionize their businesses with a microwave pretreatment system that reduces from about two months to 10 days the amount of time needed to dry hardwoods.
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