Browse 959 videos in category Documentary
The Dynamic Graph (Data Visualization) Shows the Top 20 Countries with the Highest GDP PPP from 1980 to 2023. The Ranking includes superpowers, such as United States, China, Japan, India, and Germany. It also compares the total GDP (PPP) of different continents from the Top 20 co…
- 1036 views
- 9 comments
Why are itchy lice so tough to get rid of and how do they spread like wildfire? They have huge claws that hook on hair perfectly, as they crawl quickly from head to head.
- 875 views
- 7 comments
The notorious death cap mushroom causes poisonings and deaths around the world. If you were to eat these unassuming greenish mushrooms by mistake, you wouldn’t know your liver is in trouble until several hours later.
A toxin in the mushroom destroys your liver cells. Dr. K…
- 1019 views
- 5 comments
Rare strains of corn, beans, squash and other native crops might have been lost forever if not for the protection efforts of the Potawatomi and Ojibwe tribes and the Jijak Foundation in Hopkins, Michigan. Thanks to the salvation efforts of these tribes and a seed-lending library,…
- 538 views
- 3 comments