"Around the world, frogs are declining at an alarming rate due to threats like pollution, disease and climate change. Frogs bridge the gap between water and land habitats, making them the first indicators... continue reading
posted by ant 8 years 3 months 3 weeks ago • 264 views • 11:51HOST: History of Science and Technology
Created: 1 decade 6 years 1 week ago
Updated: 5 years 4 months 1 week ago
Views: 12,541
Updated: 5 years 4 months 1 week ago
Views: 12,541
This playlist is meant to include videos that follow the human understanding of the nature of things and the world through history.