• World
  • US Politics
  • Business
  • Health
  • Entertainment
  • Style
  • Travel
  • Sports
  • Videos
Edition
  • U.S.
  • International
  • Arabic
  • Español
Edition
  • U.S.
  • International
  • Arabic
  • Español
  • World
    • Africa
    • Americas
    • Asia
    • Australia
    • China
    • Europe
    • India
    • Middle East
    • United Kingdom
  • US Politics
    • Donald Trump
    • Supreme Court
    • Congress
    • Facts First
    • 2020 Election
  • Business
    • Markets
    • Tech
    • Media
    • Success
    • Perspectives
    • Videos
  • Health
    • Food
    • Fitness
    • Wellness
    • Parenting
    • Vital Signs
  • Entertainment
    • Stars
    • Screen
    • Binge
    • Culture
    • Media
  • Tech
    • Innovate
    • Gadget
    • Foreseeable Future
    • Mission: Ahead
    • Upstarts
    • Work Transformed
    • Innovative Cities
  • Style
    • Arts
    • Design
    • Fashion
    • Architecture
    • Luxury
    • Beauty
    • Video
  • Travel
    • Destinations
    • Food and Drink
    • Stay
    • News
    • Videos
  • Sports
    • Football
    • Tennis
    • Equestrian
    • Golf
    • Skiing
    • Horse Racing
    • Motorsport
    • Formula E
    • Esports
  • Videos
    • Live TV
    • Digital Studios
    • CNN Films
    • HLN
    • TV Schedule
    • TV Shows A-Z
    • CNNVR
  • Features
    • Call to Earth
    • Freedom Project
    • Impact Your World
    • Inside Africa
    • 2 Degrees
    • CNN Heroes
    • All Features
  • More
    • Photos
    • Longform
    • Investigations
    • CNN Profiles
    • CNN Leadership
    • CNN Newsletters
    • Work for CNN
  • Weather
    • Climate
    • Storm Tracker
    • Video
Follow CNN
  • Katia Hetter
    Senior Editor, CNN Science and Wellness

    Senior Editor Katia Hetter oversees the CNN Digital Science and Wellness team.

    Full Bio

  • A climber descends the "valley of silence" perched between Camp I and II at 22,000 ft. at the top of the Khumbu Icefall on Mt. Everest's south side.

    As Grand Canyon National Park turns 100, two friends hike the entire length to save it

  • Poet Lawrence Ferlinghetti poses on Monday, Jan. 15, 1988 in San Francisco in front of the North Beach bookstore he founded more than 35 years ago. The San Francisco Board of Supervisors accepted 13 of Ferlinghettiís recommendations on Thursday to change local street names after 15 of San Franciscoís best known artists and writers. (AP Photo)

    The Beat Generation lives on in San Francisco

  • Chihuly, Kahlo and more: Blockbuster art in the garden

    Outshining the lush foliage that surrounds it, a glorious spiked tower of indigo blue glass blooms near the entrance of the Atlanta Botanical Garden.