A lot of activity during the month of August at the National Genographic blog page "Genographica."
Briefly, they are hi-liting three items:
1) The new High Definition version of their Human Family Tree video airs Sunday, Aug 30th at 9 PM. This has been advertised all month on the National Geographic channel, more information is available on their web site.
with the TV schedule here:
The new HD video is also available for purchase at the National Genographic online store.
2) National Genographic DNA test kits are available for a 10 % discount now through September 15th.
3) The National Genographic web site is taking migration stories for posting to their web site.