The Living World Update

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February 1998

• Encouraging News from the AIDS Battlefront
• Aging Comes of Age

January 1998

• Bird Flu

December 1997

• Mad Cows and Prions

November 1997

• Are We Alone?

October 1997

• Curing Lung Cancer

September 1997

• The Debate Over Human Origins

August 1997

• The Future of HIV Treatment

July 1997

• HIV's Waiting Game

April 1997

• Curing Cancer

March 1997

• Does Smoking Really Cause Cancer?
• Is Smoking Cigarettes Addictive?
• Cloning: A Breakthrough in Genetic Engineering

February 1997

• Proteins that Control Stereochemistry
• Misfolded Prions Induce Normal Protein to Misfold
• Protein Connects Cell Signaling Systems with Cytoskeleton
• Bigger Is Better Rule Tested in Mollusks

January 1997

• Vaccine Against Malaria Successful in Preliminary Tests
• Oldest Stone Tools Discovered in Africa
• New Photos from Europa Hint at Underground Ocean
• Drug Therapy Removed HIV from Bloodstream
• RHD Virus Reduces Rabbit Population in Australia

December 1996

• Fossil Dinosaur Has Feathers
• Population Growth Rate Starting to Decline
• CXCR4 (Formerly Fusin) Is Chemokine Co-Receptor for HIV
• Scientists Assign New Date to Origin of Life

November 1996

• Carbon Dioxide Responsible for Permian Mass Extinction?
• New Function of Linker Histones in DNA
• Chemical in Cigarettes Damages p53
• Genetically-Engineered Cold Virus Kills Cancer Cells

October 1996

• Defective CKR5 Receptor Offers Immunity
• Spinal Cord Regrows in Rats
• Mechanism of Alzheimer's Disease Still a Mystery
• Retrotransposons in Almost All DNA

September 1996

• E. coli Outbreak in Japan
• Gene in Mice Determines Maternal Behavior
• Chemokines and CAF May Be Able to Fight AIDS
• The Kinesin Molecular Motor
• Ancient Bacteria on Mars?
• First Genome Sequencing of An Archaebacterian

August 1996

• CC-CKR-5: Second Coreceptor for HIV
• Punctuated Evolution Seen in 10,000 Generations of Bacteria
• Bacteriophage Transforms Bacteria into Cholera-Causing Agents
• New Ways to Analyze Genomes
• Nicotine and Cocaine Are Similar Types of Addictive Drugs
• Patched Gene Correlated with Skin Cancer

July 1996

• DNA Vaccines May Get Around Antigen Shifting
• Species Differ by Only a Few Genes
• Scientists Identify Protein Required for HIV Infection
• HIV with Defective Nef Gene Is Harmless
• Chemokines Block AIDS But Can Also Cause Severe Inflammations
• Teen Smoking Up

June 1996

• A Unique Mechanism that Allows Bacteria to Infect
• A Change in Hemoglobin Shape Affects the Buoyancy of Fish
• Genome of the First Eukaryotic Organism Sequenced
• Re-creation of a Species Reveals Much About Evolution
• Telomerase May Be Maintaining Cancer Cells
• Scientists Discover Fossils Bigger Than T. rex

May 1996

• Prion Diseases Infecting Humans From Cows?
• Peking Man Much Older Than Previously Thought
• A New Phylum: Cycliophora
• Malaria Parasite Fools Immune System By Switching Antigens