Scientists Confirm Case of Shark That Reproduced Without Mating
Level: B1 · Duration: 14:19
Transgenic Monkeys Produced in Japan
Level: B2 · Duration: 14:10
The Story of Radio
Level: B2 · Duration: 14:10
The History of Video Games
Level: B2 · Duration: 14:29
The History of Root Beer
Level: B2 · Duration: 14:26
Textile Arts
Level: B2 · Duration: 14:30
Scientists Discover New Gorilla Population in Republic of Congo
Level: B2 · Duration: 14:12
Scientists Clone Pigs to Make Omega-3 Fatty Acids
Level: B1 · Duration: 3:54
Saving Reindeer and a Community in Mongolia
Level: B1 · Duration: 3:56
Now We Know Just How Sharks Follow Their Nose to Dinner
Level: B2 · Duration: 13:39
Mapping the Genes of the Woolly Mammoth
Level: B2 · Duration: 14:15
Coyotes Eyeing the Sheep Employ a Guard Llama
Level: B1 · Duration: 3:53
Coffee and the Coffee Culture in the US
Level: B2 · Duration: 15:51
Christmas Trees Mistletoe and Poinsettias
Level: B1 · Duration: 3:56
Burros as Guard Dogs on the Farm
Level: B1 · Duration: 3:34
Animal Diseases Foot-and-mouth Bluetongue and Rinderpest
Level: B1 · Duration: 3:54
About Planetariums
Level: B2 · Duration: 14:45
About Orchids Some of Nature’s Most Interesting Flowers
Level: B2 · Duration: 14:24
About Earthquakes and the Process that Causes Earthquakes
Level: B2 · Duration: 14:22
About Diamonds and the Trade in Diamonds
Level: B1 · Duration: 14:44
About Cranberries
Level: B1 · Duration: 3:56
About Chocolate and Its History
Level: B2 · Duration: 15:38
About Cherries
Level: B1 · Duration: 3:55
About Broccoli and Cauliflower
Level: B1 · Duration: 3:57