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07:46
Will "Santa Claus" Ferrell Helps Stephen Answer Real Questions From Real Kids
18
B1
10:28
Has Donald Trump Blocked Eric's Number?
4
B1
02:26
Smile
35
B1
11:24
English Greetings and Introductions - Spoken English
97
A2
07:03
Formal charge | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy
2
B2
06:40
Sold the Porsche, Bought a Ferrari 599 - /CHRIS HARRIS ON CARS
150
B1
08:40
What If We Had To Rebuild Human Society From Scratch?
10
B1
07:59
Leaders and machines
16
A1
04:14
Carbon Nanotubes Might Be the Secret Boost Solar Energy Has Been Looking For
10
B1
51:40
31. Frontiers in Nuclear Medicine, Where One Finds Ionizing Radiation (Background and Other Sources)
20
B1
05:19
How to Make Pollo al Carbon | How To Grill Like a Mexican
1
B1
06:20
What is ENSO, El nino, La nina, Southern Oscillation, Walker Circulation | UPSC / IAS
5
A2
02:29
Carbon Shift: China revs up for a new energy vehicle boom
22
B1
30:30
BOX SET: 6 Minute English - 'Climate Change' English mega-class! Thirty minutes of new vocabulary!
25
B1
12:10
5 Things You Should Never Do In An Automatic Transmission Vehicle
82
B1
07:22
Hydrocarbons | #aumsum
17
B2
03:47
Why Are I-Beams Shaped Like An I?
5149
B1
04:22
How Special Relativity Makes Magnets Work
38
B2
04:38
How humans disrupted a cycle essential to all life
17426
B1
02:11
How Does Radiocarbon Dating Work? - Instant Egghead #28
47
B1
69:43
Chemical Curiosities: Surprising Science and Dramatic Demonstrations
135
B1
03:00
How does a plastic comb attract paper? | #aumsum
22
B1
02:43
Race Replay: Ryan vs. Big Chief for the #2 Spot | Street Outlaws
2
A2
36:05
Should I have children? - CrowdScience, BBC World Service
137
A1
04:39
Why does soda fizz when you shake it? | #aumsum
12
B2
10:02
Worked example: Determining an empirical formula from combustion data | AP Chemistry | Khan Academy
2
B2
07:46
We Found Radioactive Traces From Nuclear Bombs in the Mariana Trench
9
B1
03:38
When Tree Planting Goes Wrong
39
B1
02:38
Unlocking the potential of a soil-based economy | FT Food Revolution
24
B1
07:09
Healthy living and DNA: BBC News Review
22478
B1
05:44
Can we build a "perfect" forest? - Jean-François Bastin
19
B1
05:38
Worked example: Calculating mass percent | AP Chemistry | Khan Academy
6
B2
08:35
The Most Incredible Snowfall on Earth Occurs Deep Underwater
4
B2
02:11
What information can be published on Wikipedia?
11
B1
07:29
Representing structures of organic molecules | Biology | Khan Academy
9
B1
04:25
The Citric Acid Cycle: The Reactions
66
B2
12:48
The Basics of Organic Nomenclature: Crash Course Organic Chemistry #2
34
B1
05:53
Photosynthesis | #aumsum
27
B2
06:11
Global Warming for Kids | #aumsum
78
B1
43:39
Earth 2050 - full length video
315
B1
05:09
Fats and oils (Plant Oils) | Chemistry for All | The Fuse School
36
B2
02:19
Respiration - Why is it not good to sleep under a tree at night? | #aumsum
28
B2
12:44
Is It Safe To Use Carbon Bikes On Indoor Trainers? Ask GCN Anything About Cycling
4
A2
04:33
[ES Subs] ScienceCast 109 | The "Sleeping Giant" in Arctic Permafrost HD
263
B2
03:15
Using cow waste to fight climate change - Lingohack
2
B1
04:14
Understanding ENSO
1017
B1
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