Participants of the study were grouped together and competed against one another in weekly walking challenges each week.
15 Jul 2018 6:01 PM
The fleet of drones replaced the usual helicopter for aiding quick search and rescue operation by the national Park Service.
22 Apr 2017 9:29 AM
Karen Klein had to walk after her family was stuck in a small walking path
28 Dec 2016 10:16 AM
A trip to The Grand Canyon, USA, is more than just about scorching heat and a rocky landscape.
18 Dec 2016 12:12 AM