1. Pain Medications, Marital Discord and Misplaced Mosquitoes Interactive, September 8

    Test your knowledge of this week’s health news.

  2. Infectious Mosquitoes Are Turning Up in New Regions Science, September 7

    From Southern California to the South Pacific, reports of nonnative species are rising.

  3. Brazil May Face a New Threat, This Time From Biting Midges Health, August 25

    The Oropouche virus, causing symptoms similar to dengue, appears to be slowly moving out of the Amazon jungle and closer to South American cities.