4.2 • 639 Ratings
🗓️ 8 April 2019
⏱️ 3 minutes
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0:00.0 | Understanding the human body is a team effort. That's where the Yachtel group comes in. |
0:05.8 | Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years. |
0:11.0 | Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program. |
0:19.6 | To learn more about Yachtolt, visit yawcult.co. |
0:22.7 | .jp. That's Y-A-K-U-L-T.C-O.J-P. When it comes to a guide for your gut, count on Yacult. |
0:34.1 | This is Scientific American's 60-second Science. I'm Adam Levy. |
0:38.3 | Water molecules can arrange themselves to form much larger structures. |
0:43.3 | Take intricate snowflakes which form all by themselves in the right conditions. |
0:49.3 | Well now, researchers have created some delicate water structures of their own in the form |
0:55.0 | of microscopic ice mazes, with a little help from light. |
1:00.4 | The team took some sugar water and kept it at a temperature where ice crystals and water happily |
1:05.9 | coexist. |
1:07.3 | They then expose the H2O to infrared light of a frequency that is absorbed much more easily |
1:12.9 | by the ice crystals than it is by the water. |
1:15.9 | We thought that something interesting will happen when you illuminate ice which absorb more |
1:20.8 | than water because once the ice is melting, then it's become liquid water, and then it's absorbed less. So you have |
1:31.1 | kind of a negative feedback situation. And we did not know what will happen with this. |
1:36.2 | Physicist Ido Braslovsky from the Hebrew University in Jerusalem. The heating caused by the |
1:41.5 | light melted tiny holes in the crystals. |
1:47.1 | These holes sometimes joined up to form channels, |
1:51.7 | and the researchers watched as a labyrinth-like pattern gradually formed over the course of an hour. |
1:53.3 | And at some point we suddenly saw a whole spectrum of patterns that appear. |
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