4.6 • 935 Ratings
🗓️ 23 March 2020
⏱️ 11 minutes
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Learn about the first animal scientists have ever discovered that doesn’t breathe oxygen; how we might be able to hijack the brain’s immune system to improve memory; and the biggest explosion in the history of the universe.
Scientists discover first animal that doesn't breathe oxygen by Cameron Duke
We might be able to hijack the brain's immune system to improve memory by Grant Currin
Astronomers detect biggest explosion in the history of the universe by Grant Currin
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Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/first-animal-that-doesnt-breathe-oxygen-biggest-explosion-in-the-universes-history-and-improving-memory-with-the-brains-immune-system
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0:00.0 | Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Curiosity.com. |
0:06.0 | I'm Cody Gough. And I'm Ashley Hamer. |
0:08.0 | Today you learn about the first animal scientists have ever discovered that doesn't breathe oxygen, how we might be able to |
0:14.2 | hijack the brain's immune system to improve memory, and the biggest explosion in |
0:18.6 | the history of the universe. Let's satisfy some curiosity. |
0:22.1 | How long can you hold your breath? |
0:24.0 | Well, however long that is, I guarantee that the parasite |
0:28.0 | Heniguia Salmonecola has you beat. |
0:31.0 | It doesn't breathe at all. Yeah, that's right. Scientists have discovered |
0:36.4 | the first multicellular organism known to science that doesn't breathe. Here's the scoop. |
0:42.4 | H. Salmoneca is a distant cousin to jellyfish that makes |
0:46.0 | its living by burying itself in the muscles of fish and underwater worms. It's not a nice parasite. |
0:53.0 | It's the cause of tapioca disease, a nasty infection that looks like a bunch of little white |
0:58.0 | tapioca beads bursting from the fish's skin. |
1:01.0 | It reproduces by making little swimming spores that venture out to find and bury themselves |
1:06.6 | in the tissues of other hosts. |
1:09.1 | There is not much oxygen to be had when you're buried within muscle tissue, and that doesn't bother H. Salomonocola one bit. |
1:16.4 | This parasite doesn't have to hold its breath when it dives in. |
1:19.6 | It actually couldn't breathe even if it wanted to. The lack of breathing is weird because animals |
1:25.1 | need oxygen to get energy from their food. Within animal cells there are special |
1:29.7 | structures called mitochondria that contain the genes that are responsible for |
1:33.6 | respiration. H Salmonecoa doesn't have any mitochondrial genes. That means |
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