Leaf Swab Tell All, Taffy Science, Persistence of Memory
Curiosity Weekly
Warner Bros. Discovery
4.6 • 963 Ratings
🗓️ 1 November 2023
⏱️ 13 minutes
🧾️ Download transcript
Summary
Today, you’ll learn about how swabbing leaves could save biodiversity, the science of saltwater taffy, and how some of our memories are surprisingly accurate.
Leaf Swab Tell All
- “A new DNA leaf swab technique could revolutionize how we monitor biodiversity.” by Darren Incorvaia. 2023.
- “Kibale: The primate capital of the world.” n.a. N.d.
- “Detecting a vast diversity of rainforest animals by swabbing their DNA from leaves.” ScienceDaily. 2023.
- “A ‘Crossroads’ for Humanity: Earth’s Biodiversity Is Still Collapsing.” by Catrin Einhorn. 2021.
Taffy Science
- “The physics of saltwater taffy.” by Jennifer Ouellette. 2023.
- “The rheology of saltwater taffy.” by San To Chan, et al. 2023.
Persistence of Memory
- “How accurate are our first childhood memories?” by Joe Phelan. 2023.
- “Infantile Amnesia: A Critical Period of Learning to Learn and Remember.” by Cristina M. Alberini & Alessio Travaglia. 2017.
- “The Truth Is Out There: Accuracy in Recall of Verifiable Real-World Events.” by Nicholas B. Diamond, et al. 2020.
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Transcript
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| 0:00.0 | Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery. |
| 0:09.0 | Time flies when you're learning super cool stuff. |
| 0:11.0 | I'm Nate, and I'm Callie. If you're dropping in for the first time, welcome to Curiosity |
| 0:15.1 | where we aim to blow your mind by helping you to grow your mind. If you're a loyal |
| 0:18.3 | listener, welcome back. Today you'll learn about how swabbing leaves could save biodiversity, the science of saltwater taffy, and how some of our |
| 0:27.6 | memories are surprisingly accurate. |
| 0:30.1 | Without further ado, let's satisfy some curiosity. |
| 0:32.7 | Study after study has confirmed that we are in the midst of a potentially catastrophic collapse of |
| 0:37.8 | biodiversity on the planet. Hundreds, if not thousands of species are threatened with extinction, |
| 0:42.4 | which will dramatically reduce |
| 0:43.8 | biodiversity and a lack of biodiversity will endanger our food supply and according to a UN report |
| 0:50.2 | could risk our health and global stability. |
| 0:52.0 | Right, the loss of biodiversity has a massive rippling effect. |
| 0:56.0 | It's not good. |
| 0:58.0 | An example that we talk about all the time is how the decline in coral reefs is resulting in a biodiversity loss, |
| 1:03.6 | meaning that there just aren't as many fish and species of fish that are able to live there |
| 1:08.7 | anymore. That leads to a whole domino effect up the food chain. |
| 1:12.4 | Exactly, and that is a great example. leads to a whole domino effect up the food chain. |
| 1:12.7 | Exactly, and that is a great example, but researchers have a problem. |
| 1:16.9 | How do we measure biodiversity in the first place? |
| 1:19.3 | In order to know what we're losing, we need to know what's already there. |
| 1:22.4 | And we have talked about this before, right? |
... |
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