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E207: How can magnets help deliver medicines? [SJK Audio Edition]
Read this article at: or watch at: https://youtu.be/b6r5oEVg69U (https://youtu.be/b6r5oEVg69U)
Summary: Scientists tested a new drug delivery process using magnets to help make proteins in synthetic cells.
Abstract: Many medicines are made from proteins. We are always looking for new and efficient ways to make these medicines. We also need safe ways to deliver them around the human body. Synthetic (lab-made) cells might hold the answer! Researchers have created proteins within synthetic cells. But we need to better control how we do this. We wanted to know if we could control protein creation in synthetic cells using magnets. We built tiny magnetic structures that can help make proteins. But this only happens in a magnetic field. We tested this process by adding instructions to make a fluorescent protein. We also tested the process in a synthetic cell. We were able to make fluorescent proteins when we applied a magnetic field to our solution. We found that it also worked in a synthetic cell. We were even able to make a protein that could form a hole in the membrane to transport materials out of the synthetic cell. We can use this information to help design safer and more efficient ways to deliver medicine.
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28 Sept 2026
E206: Species extinctions: what can we learn from the past? [SJK Audio Edition]
Read this article at: or watch at: https://youtu.be/b9OvkOCN21A (https://youtu.be/b9OvkOCN21A)
Summary: Scientists found that past extinctions help us understand why species disappear but may not predict extinction in the future.
Abstract: Our planet has millions of amazing species of plants and animals. But scientists now believe that Earth is having an extinction crisis caused by humans. Hundreds of species have gone extinct in the last few hundred years, and tens of thousands of species are currently at risk of extinction. We studied species that disappeared over the last 500 years. We learned that past extinctions may not be a good way to predict future extinctions. In the past 500 years, the majority of extinctions happened on islands. The primary cause of these extinctions was invasive species. But today the biggest threat is habitat loss.
You are one of half a million educators in the U.S. who use our articles and videos in class. All our content is FREE, no paywalls, no need to subscribe.
But recent federal cuts have made it hard for us to win grants to fund our mission. We are a small non-profit, and without support, we may not make it.
If you enjoy our content, please consider donating - https://www.sciencejournalforkids.org/support-us.html (https://www.sciencejournalforkids.org/support-us.html)
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit sciencejournalforkids.substack.com (https://sciencejournalforkids.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
22 Sept 2026
E205: How did the Maya civilization react to climate change? [SJK Audio Edition]
Read this article at: or watch at: https://youtu.be/cbheEPeWzTk (https://youtu.be/cbheEPeWzTk)
Summary: Scientists found evidence of droughts in ancient human history by looking at the layers in a stalagmite from Mexico.
Abstract: Do you choose to do different activities on rainy days and sunny days? Much like we react to the weather day to day, humans also respond to the climate. The climate is the long-term pattern in weather. Changes in climate, such as long droughts, can affect how people live. It can even impact whole civilizations. We wanted to find out whether climate change affected the Classic Maya civilization. This civilization lived in Mesoamerica over a thousand years ago. We studied the layers of a stalagmite pillar from a cave. These layers showed evidence of long, severe droughts. Soon after, the Maya people abandoned their cities in the area. We think the droughts might have forced people to leave and caused their political systems to collapse.
You are one of half a million educators in the U.S. who use our articles and videos in class. All our content is FREE, no paywalls, no need to subscribe.
But recent federal cuts have made it hard for us to win grants to fund our mission. We are a small non-profit, and without support, we may not make it.
If you enjoy our content, please consider donating - https://www.sciencejournalforkids.org/support-us.html (https://www.sciencejournalforkids.org/support-us.html)
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit sciencejournalforkids.substack.com (https://sciencejournalforkids.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
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Apple Podcasts (US)
4.0 / 5
2 ratings
Spotify
5.0 / 5
1 ratings
Podcast Authority Score: 58 / 100
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Quality
96
Social presence
0
YouTube
0
Engagement
51
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