In the News
Two Explosive Evolutionary Events Shaped Early History Of Multicellula
Scientists have known for some time that most major groups of complex animals appeared in the fossils record during the Cambrian Explosion, a seemingly rapid evolutionary event that occurred 542 million years ago. Now paleontologists, using rigorous analytical methods, have identified another explosive evolutionary event that occurred about 33 million years earlier among macroscopic life forms unrelated to the Cambrian animals. Paracetamol (Common Pain Killer) Overdoses Drop Without Package Size L
The acetaminophen (paracetamol) overdose rate in Calgary, Canada, dropped by over 40 percent in the decade to 2004, without a change to the smaller pack sizes that were credited with overdose reductions in the UK. The results suggest that young women, Aboriginals and those on social security remain at greatest risk. Sunscreen Summary -- What Works and What's Safe
"In a new [2007] investigation of 785 name-brand sunscreens, the Environmental Working Group (EWG) found widespread evidence that many products on the market are not safe and effective, including one of every eight high-SPF sunscreens that does not protect from UVA radiation. [EWG has] also identified 130 products that offer very good sun protection with ingredients that present minimal health risks to users."Includes a summary of the report and details about products. Attitudes About Homosexuality &Gay Marriage
This study, updated in December 2004, presents a compilation of polling data back to the 1970s about the acceptance of homosexuality and gay marriage in the United States. Includes links to related material. Opens directly into a PDF document. From the American Enterprise Institute for Public Policy Research, a think tank "dedicated to preserving and strengthening the foundations of freedom —limited government, private enterprise ... and a strong foreign policy and national defense." Two 'Noses'Are Necessary For Flies To Navigate Well
Animals and insects communicate through an invisible world of scents. By exploiting infrared technology, researchers at Rockefeller University just made that world visible. With the ability to see smells, these scientists now show that when fly larvae detect smells with both olfactory organs they find their way toward a scented target more accurately than when they detect them with one. Hurricane Katrina: Information for Consumers and Bankers in the Affect
This site provides frequently asked questions and tips for banking customers affected by Hurricane Katrina, consumer contact and branch information for banks in the affected area, information about letters sent to financial institutions on matters such as Social Security payments, and related links. From the Federal Deposit Insurance Corporation (FDIC). Note: Link to insurance information is not working. Search For Extraterrestrial Intelligence: Allen Telescope Array Begins
The University of California, Berkeley and the SETI Institute have announced that the first 42 radio dishes of the Allen Telescope Array (ATA) have been activated and collecting scientific data from the far reaches of the universe. It is the first major telescope in the world built specifically for undertaking a search for extraterrestrial intelligence. UNC Computer, Marine Scientists Collaborate To Predict Flow Of Toxic W
In the immediate wake of Hurricane Katrina, scientists and research centers from across the country came together to generate information on the contaminated floodwaters and offer it to hazardous materials experts and public health officials. The Black Press: Soldiers Without Swords
Covers the history of black journalism in the United States. Provides information on notable newspapers and journalists, a study guide, a bibliography, and a timeline beginning with the publication of the first black newspaper, Freedom's Journal, on March 16, 1827. Online companion to the Stanley Nelson film of the same title (includes transcript). FromPBS Online. Bone Marrow Fat May Indicate Bone Weakening
Measuring bone marrow fat (BMF) along with bone mineral density (BMD) can better predict weakening of bones than either test done alone, a new study indicates. BMD measurement with DEXA is presently the most commonly used parameter for determining bone weakening. Researchers have long questioned whether there may be other measurable bone components that influence mechanical stability of bone.
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