Tunnels in Gemstone Might Be Sign of Life

level = 10

2:26

on 2018/08/19

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Roar

level = 11

1:19

on 2018/08/15

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Let's Learn English Lesson 28: I Passed It!

level = 9

2:40

on 2018/08/14

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Why you should speak English like you’re playing a video game | Marianna Pascal | TEDxPenangRoad

level = 13

3:42

on 2018/08/13

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Why Plastic Straws Suck

level = 14

2:04

on 2018/08/13

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What Would Happen If Humans Tried To Land On Jupiter

level = 15

1:59

on 2018/08/13

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Largest Wildfire in California History Still Growing

level = 9

2:01

on 2018/08/13

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Birds Learn Each Other’s ‘Languages’ by Listening, Experts Say

level = 11

1:54

on 2018/08/13

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Last lecture- Randy pausch

level = 18

4:37

on 2018/08/13

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learn English conversation

level = 3

0:39

on 2018/08/08

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