4.2 • 639 Ratings
🗓️ 2 September 2020
⏱️ 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 Yacolt. |
0:33.5 | This is Scientific American's 60-second science. I'm Scott Hirschberger. |
0:41.3 | The chance that a human being like you will be struck by lightning is minuscule. |
0:45.6 | But what if you're a tall tree in the tropics? |
0:48.1 | Lightning happens in milliseconds. |
0:50.9 | We can't predict where it's going to be, and we generally can't find it after it's happened. |
0:54.1 | So what a hard thing to study. |
0:56.3 | Evan Gora, an ecologist at the University of Louisville. |
0:59.6 | Now, for the first time, Gora and his colleagues were able to quantify the effects of lightning |
1:04.5 | strikes in tropical forests around the world, thanks to satellite data and a network |
1:09.2 | of ground sensors. |
1:10.2 | We saw that it's a force that have more lightning strikes hitting per hectare per year, |
1:15.5 | have fewer large trees per hectare, presumably because they're killed by lightning. |
1:19.3 | More biomass turns over a year, so basically the lightning seems to be affecting the forest |
1:23.7 | and causing trees to die, and then they have less total biomass. |
1:28.2 | In a ground survey in Panama, the researchers found that a single lightning strike |
1:32.3 | typically damages more than 20 trees, and within a year, five or six of them die. |
1:37.7 | The scientists combined this figure with their satellite data from around the world |
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