Последние добавленные видео:
arsenic
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5 years ago
66268 5 years ago 4:16Dr. Joe Schwarcz: All about arsenic
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3 months ago
459005 3 months ago 6:08The dark history of arsenic - Neil Bradbury
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3 years ago
87978 3 years ago 13:43How Arsenic went from Poison to Medicine
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4 years ago
74311 4 years ago 3:51Best Way to Tell Arsenic Poisoning
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5 years ago
51452 5 years ago 3:57Identify Arsenic Poisoning Through Your Nails
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13 days ago
180198 13 days ago 22:10Arsenic: One of the Deadliest Toxins on Earth.
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7 years ago
70717 7 years ago 5:03The Effects of Too Much Arsenic in the Diet
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8 years ago
22670 8 years ago 4:21How does Arsenic affect us?
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5 years ago
1593784 5 years ago 18:11Arsenic - Periodic Table of Videos
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5 years ago
96851 5 years ago 13:28Toxicology- Arsenic Metallic Poisoning MADE EASY!
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1 year ago
8582 1 year ago 3:54Reducing Toxic Levels of Arsenic in Drinking Water
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2 years ago
30097 2 years ago 3:46Arsenic Poisoning - "placing arsenic in his coffee," Symptoms, Causes and treatment
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7 years ago
198141 7 years ago 5:30Do the Pros of Brown Rice Outweigh the Cons of Arsenic?
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6 years ago
8352 6 years ago 1:46FSA Explains: Arsenic in rice
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9 months ago
16001 9 months ago 1:48Tampons may contain "toxic levels" of lead and arsenic in them, study warns
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7 years ago
75525 7 years ago 5:12Benefits of Turmeric for Arsenic Exposure
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3 years ago
12106 3 years ago 8:56Making Deadly Arsenic From Ore
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2 years ago
38865 2 years ago 10:34Making Triphenylarsine with Arsenic Metal
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12 years ago
11378 12 years ago 2:04Arsenic in rice and rice products | Consumer Reports