The following walk reports may include locations subject to restricted access. It may not be open to the public and you would not be authorised to visit the location without approval of the landowner. Our walking groups obtain permission where required for these walks.
http://www.ted.com Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 minutes. This is "Big History": an enlightening, wide-angle look at complexity, life and humanity, set against our slim share of the cosmic timeline.