Brightsurf Science News & Current Events

August 01, 2000
Human origins
Eve is dead, say Michigan palaeontologists. Their analysis of an Australian hominid fossil overturns the hypothesis that all modern humans are descended from a hypothetical African 'Eve', who completely replaced Homo erectus.

Naked vaccination may conquer arthritis and MS
A modification of a new technology born of genetic engineering -- known as naked DNA vaccination -- holds the potential of overcoming autoimmune diseases such as multiple sclerosis and rheumatoid arthritis.

Biologists find Peruvian plants inhibit growth of TB bacterium
Researchers at Washington University in St. Louis studying medicinal plants from the Peruvian rainforests have come across results that may significantly influence the direction of the fight against tuberculosis (TB) worldwide.

Supermarket shelf labels help African Americans, others shop healthier, study finds
Color-coded labels placed on supermarket shelves to mark healthier food choices are effective in helping guide African Americans and others in their grocery shopping, a new University of Michigan study shows.

Healthy gums are likely to lie behind milk mustaches
Adults who consume at least three servings of calcium each day have another reason to smile.

Stucco holds buildings firm
Scientists think they know why so many houses in California remain standing after an earthquake.

Computer experts in search of security to find help at WPI conference
In the wireless information age, security is more precious than gold.

ASPP publishes major plant biology textbook
The American Society of Plant Physiologists, a 5,700 member nonprofit professional society, announced that it has published a major textbook titled Biochemistry & Molecular Biology of Plants. The book creates a boldly contemporary picture of plant biochemistry and molecular biology; integrated around the themes of compartmentation, cell reporduction, energetics, metabolism and development.

Tiny particles of dirt really can kill
A fresh analysis of a classic pollution study has confirmed its original conclusion that city-dwellers in Europe and the US are dying young because of microscopic particles in the air.

DNA blueprint of deadly cholera bacterium unveiled
As reported in this week's issue of the journal Nature, scientists have determined the entire order of paired chemical building blocks that make up the DNA of the deadly cholera bacterium.

Dry floods on Mars
The giant canyons on Mars may not have been carved by water, as most scientists believe.

Virginians say 'spend more on public (K-12) schools'; survey shows that concern about violence in schools remains high
Virginians think highly of the state's public schools and favor more public spending, according to the 2000 Quality of Life in Virginia survey conducted by Virginia Tech's Center for Survey Research.

Mutant proteins selectively accumulate in neurons affected by Huntington's disease
Scientists at Emory have discovered that fragments of mutant proteins implicated in Huntington's disease accumulate in the nuclei and axon terminals of neurons known to be affected by the disease.

Program for African American students aims to eliminate differences in health status among populations
Rates of cancer, heart disease and diabetes are at least two times higher among African Americans and other minority groups than among Caucasians.

NASA's Marshall Center to help rocket-building students get their project off the ground
Students at Fredericksburg High School in Fredericksburg, Texas, are preparing to launch a rocket they designed and built -- not a model, but a real rocket -- thanks in part to NASA's Marshall Space Flight Center in Huntsville, Ala.
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