via youtube: Watch how wolves and bears become a part of a new DNA-mapping study, and see how different species react to the various types of crossing structures.
posted by Gratefulmom
1 decade 5 years 10 months 3 weeks ago • 1,747 views • 5:26
Ideas for a better world
Created: 1 decade 7 years 3 months ago
Updated: 5 years 1 month 2 weeks ago
Views: 14,196
Updated: 5 years 1 month 2 weeks ago
Views: 14,196
It's up to us to rise to the task.
Here are some videos with novel ideas to improve the world we live in.
And a few of the problems that need to be addressed.
Themes (so far) include education, design, society, technology and sustainability.
Displaying 1 of the 403 videos in this playlist:
1 decade 5 years 10 months 3 weeks ago • 1,747 views • 5:26