In the News
Compound Might Defeat African Sleeping Sickness
One of the most devastating diseases in sub-Saharan Africa almost disappeared in the late 1950s. That disease, African sleeping sickness, or trypanosomiasis, largely succumbed to heroic public health efforts -- including relocating entire villages. But in the past several decades, because of post-colonial turmoil, the catastrophic illness has come back to ravage parts of Angola, the Democratic Republic of the Congo, the Sudan and other countries. In some regions, the tsetse fly-borne infection rivals or exceeds the toll AIDS takes. P2P: Music's Death Knell or Boon?
Technology optimists and pessimists duke it out at the South by Southwest conference. While some music insiders have high hopes for new revenue streams, others say peer-to-peer song sharing continues to wreak havoc. Michael Grebb reports from Austin, Texas. Shortening Chromosomes Cause For Earlier Cancer Onset In Families With
In families with a high incidence of Li-Fraumeni syndrome, the ends of individuals' chromosomes act somewhat like a lit fuse, according to researchers at The Hospital for Sick Children in Toronto. Their findings detail how telomeres, the ends of the chromosomes, shorten with every successive generation, leading to more severe cancers at an earlier age. Asymmetric Ashes: Astronomers Study Shape Of Stellar Candles
Astronomers are reporting remarkable new findings that shed light on a decade-long debate about one kind of supernovae, the explosions that mark a star's final demise: Does the star die in a slow burn or with a fast bang? From their observations, the scientists find that the matter ejected by the explosion shows significant peripheral asymmetry but a nearly spherical interior, most likely implying that the explosion finally propagates at supersonic speed. Observations Of Asteroid Itokawa Will Aid In Assessing Risks From Futu
The space-borne infrared observatory AKARI, observed asteroid Itokawa last month with its Infrared Camera. The data will be used to refine estimates of sizes of potentially hazardous asteroids in the future. Asteroid size is one of the most sought-after pieces of information. Messenger: Mercury Surface, Space Environment, Geochemistry, and Rangi
Information about the "NASA Discovery mission to conduct this orbital study of the innermost planet."Messenger launched in August 2004. It should be "in position to enter Mercury orbit in March 2011."The site provides a FAQ, an overview of the mission, status reports, facts about the planet Mercury, information for students and teachers, related links, and more. From John Hopkins University Applied Physics Laboratory (JHU/APL). Defective Gene Linked To Two Inherited Immune Deficiencies
Defects in a single gene can result in two immune system disorders that leave affected individuals vulnerable to frequent or unusually severe infections, according to new findings reported in the August issue of Nature Genetics. The discovery may lead to new diagnostic tests for these two inherited conditions -- immunoglobulin A (IgA) deficiency and common variable immunodeficiency (CVID) Currently, doctors diagnose the conditions by measuring immunoglobulin levels and excluding other causes for lowered immunoglobulin levels; there are no specific tests to detect the two disorders. Single Molecule Based Electronic Components Modelled
Researchers have created the best method so far of assembling wire-like structures only a single molecule wide, a significant step in science's increasing attempts to reduce the circuitry size of electronic devices to the single molecule scale and provide smaller, faster, and more energy efficient electronics. Study Finds Prostate Cancer In 25% Of High-risk Men With 'Normal' PSA
Men at high risk of developing prostate cancer should undergo aggressive screening for the disease. That is the recommendation following a Fox Chase Cancer Center study of 520 men at high-risk of developing prostate cancer in which 25 percent were diagnosed with the disease despite having a low PSA. Tiny Bubbles A Storehouse Of Knowledge
Fluid inclusions are clues to the location of ores and even petroleum and contain insights on the power of volcanoes and hints of life in the universe. At the Centennial Celebration Symposia for the Society of Economic Geologists, Robert Bodnar will identify the big questions that remain to be addressed, and predict the state of the field in 10, 50, and 100 years.
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