LA Times Science Files for 2007/06/04

These are items compiled by staff of the LA Times.

• ENDANGERED SPECIES
  To protect spotted owl, larger rival is targeted
  

  But the plan, which would allow killing a more aggressive species, downplays the logging industry’s role as another culprit, critics say. By Sam Howe Verhovek, Times Staff Writer.

• HEALTH
  To beat summer heat, acclimate before exercising
  

  Fatigue, dizziness, cramps — that’s how overheating starts. Now scientists are learning what causes it and how to prevent it. By Anna Gosline and Jeannine Stein, Special to The Times.

• HEALTH
  So they don’t die alone
  

  Some dying patients have neither friends nor family. Increasingly, volunteers are filling in. By Shari Roan, Times Staff Writer.

• HEALTH
  Nibble away: Snacking’s OK as we age
  

  ADVANCING age does have its perks: wisdom, recreational vehicles and, now, sanctioned snacking. By Janet Cromley, Times Staff Writer.

• OBITUARIES
  Bettye Travis, 55; activist for the overweight
  

  Travis, a clinical psychologist with a long history of activism, challenged conventional wisdom about being overweight. By Jocelyn Y. Stewart, Times Staff Writer.