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Articles in Nov 2, 1996 issue of Science News

• Heart attacks: high hopes vs. high anxiety - anxiety and medical complications linked
  by Dan Vergano
• Ants hint at how social species evolve - new species can arise from species with different social behaviors living in close proximity to one another - Biology - Brief Article
• Bridging the brain gap: a scientist explores the biology of isolated minds and mutual trust - Cover Story
  by Bruce Bower
• Sex and violence in the ice age world - accelerating sexual maturation in mammoths and mastodons supports the theory that human hunters caused the beasts to die out 10,000 years ago - Paleontology - Brief Article
  by Richard Monastersky
• Jolting crystals into nanostructures - researchers use scanning probe microscopes to apply voltage that changes crystal structure on material's surface - Brief Article
• Iron pills improve kids' test scores … as does breakfasting near test time - Nutrition
• New data challenge personality gene - D4 dopamine receptor shows no link to novelty-seeking behavior in Finnish men - Brief Article
  by Bruce Bower
• On the trail of pterosaurs - tracks of winged reptiles indicate they walked on all four limbs - Paleontology - Brief Article
  by Richard Monastersky
• New perspectives on Ganymede - Galileo spacecraft images of Jupiter's satellite - Brief Article
  by Ron Cowen
• The frequencies crickets love and fear - crickets fear frequencies above 16 KHz and hear only broad ranges of sound - Biology - Brief Article
• Cottoning onto how plants make cellulose - three gene identified that may code for cellulose synthase, the enzyme plants use to make cellulose from sugar molecules - Brief Article
  by Corinne Wu
• Cosmic chemistry: closing the gap in the origin of the elements - origin of boron, beryllium and lithium
  by Ron Cowen
• Mad cow disease diagnosed in humans - evidence found that cows can transmit bovine spongiform encephalopathy to people - Biomedicine - Brief Article
• Mother's blood shows baby's future - genetic makeup of fetus found in mother's blood
  by Steve Sternberg
• Did rabies fell Edgar Allen Poe? - writer's last symptoms were not those of alcohol withdrawal as commonly believed - Biomedicine - Brief Article
• Demise of ice age sparked great quakes - Scandinavia - Brief Article
  by Richard Monastersky
• The mutant genes that stymie HIV - mutation of two copies of gene that encodes for protein CC-CKR-5 linked to immunity to HIV infection - Biology - Brief Article
• Hormone blocker switches on hair growth - estrogen blocker helps grow hair on mice - Brief Article
  by Janet Raloff
• Smoking leaves fingerprints on DNA - mutations in the p53 gene frequent in patients with lung cancer - Biology - Brief Article