你想學什麼呢？

Why can Ancient Roman buildings heal their own cracks?

🧠 好奇問題：為什麼兩千年前建造的古羅馬建築，出現裂縫時居然能夠自己縫合修復？

🎧 這一集在聊什麼：這一集要帶大家一起認識古羅馬混凝土的秘密！ 科學家發現，古羅馬人在製作混凝土時加入生石灰進行熱混合，形成微小的石灰碎屑。 當建築物出現裂縫且水分滲入時，石灰碎屑會重新溶解並結晶，自動填滿裂縫。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:How can ancient Roman buildings made two thousand years ago heal their own cracks when rainwater gets in?

🎧 What this episode is about:In this episode, we explore the mystery behind ancient Roman concrete. Scientists discovered that an ancient hot-mixing process left small lime clasts inside the concrete. When cracks form and water enters, these lime pieces dissolve and refill the gaps, letting the concrete repair itself over time.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

Why Do Animals Glow in the Deep, Dark Ocean?

🧠 好奇問題：為什麼在又深又黑的大海裡，許多動物會自己發光呢？牠們發光又是為了做什麼？

🎧 這一集在聊什麼：在幾乎完全黑暗的深海中，許多魚類、烏賊和水母都能自己發光。這些海洋動物會用身上的光來尋找食物、吸引伴侶，並保護自己。深海裡大部分的光都是藍色的，因為藍光在海水裡傳播得最好。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:Why do many creatures make their own light in the deep, dark ocean? What do they use their light for?

🎧 What this episode is about:In the almost completely dark deep ocean, many fish, squid, and jellyfish can produce their own light. This episode explains how these sea creatures use light to find food, attract mates, and protect themselves. Listeners will also discover that most deep-sea light is blue, because blue light travels best through water.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

Why are airplane windows round?

🧠 好奇問題：為什麼飛機上的窗戶都是圓形或橢圓形的，而不是像房子一樣是方形的呢？

🎧 這一集在聊什麼：最早的噴射客機曾經使用過方形窗戶，但在高空飛行加壓時，方形窗戶的銳角會集中壓力，導致金屬材料容易疲勞損壞。後來工程師發現，把窗戶做成圓弧形可以讓壓力均勻分散，讓高空飛行更加安全。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:Why are airplane windows rounded or oval instead of square like the ones in our houses?

🎧 What this episode is about:Early jet airliners once used square windows, but repeated cabin pressurization caused stress to build up around sharp corners, wearing out the metal skin. Engineers discovered that rounded windows help distribute air pressure evenly, making air travel much safer for everyone.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

How do geckos walk on walls and ceilings without glue?

🧠 好奇問題：壁虎腳上明明沒有膠水也沒有吸盤，為什麼可以穩穩貼在牆壁和天花板上走動呢？

🎧 這一集在聊什麼：這集節目要帶大家發現壁虎腳掌的秘密，原來牠們腳底長著數十萬根微細毛髮，末端還分出上百個更小的微細分叉。當這些細毛緊緊貼在物體表面時，彼此產生的微小吸引力合在一起，就能支撐壁虎的體重，不需要黏液就能牢牢抓住牆面。科學家還模仿這個特殊的結構，做出不用膠水也能黏住物體、而且能自我清潔的神奇人造材料。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:How can geckos walk on smooth walls and ceilings without any glue or suction cups?

🎧 What this episode is about:This episode explores the secret of gecko feet, revealing that geckos have hundreds of thousands of tiny hairs that split into even smaller tips. When these tiny tips touch a surface closely, they create a natural attraction that holds the gecko firmly without any sticky liquid. Listeners will also learn how scientists were inspired by gecko feet to invent artificial materials that stick without glue and stay clean.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

Why do astronauts float in space?

🧠 好奇問題：為什麼太空人和物體在太空船裡會像浮起來一樣飄著？

🎧 這一集在聊什麼：在這一集裡，我們將帶大家了解太空人漂浮的秘密，原來太空船和太空人其實正一起朝著地球自由落體。我們也會聊聊在微重力環境下，肌肉和骨骼會發生什麼變化，以及太空人如何透過每日運動來保持身體強壯。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:Why do astronauts and objects seem to float inside a spacecraft in space?

🎧 What this episode is about:In this episode, we explore why astronauts float in space, discovering that both astronauts and their spacecraft are actually in free fall around Earth. Kids will also learn how microgravity affects muscles and bones, and how astronauts exercise every day to stay healthy.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

Why Don't Woodpeckers Get Concussions When They Peck Trees?

🧠 好奇問題：啄木鳥每天用嘴巴撞樹成千上萬次，為什麼頭不會受傷，也不會腦震盪呢？

🎧 這一集在聊什麼：啄木鳥每天為了找食物或築巢會用力撞樹，但牠們特殊的身體構造能保護大腦。除了繞過頭骨的舌骨與海綿狀骨頭外，啄木鳥不會腦震盪最重要的原因，是因為牠們的大腦體積小又非常輕。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:Why don't woodpeckers get concussions when they hammer trees thousands of times a day?

🎧 What this episode is about:Woodpeckers peck trees to find food and build nests, yet their unique anatomy protects their brains from injury. In addition to a special hyoid bone wrapping around the skull, the primary reason they don't suffer concussions is that their brains are remarkably small and lightweight.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

How do Map apps find the fastest route in just seconds?

🧠 好奇問題：為什麼我們用手機地圖查詢路線時，地圖可以在短短幾秒鐘內，從數百萬條道路中找到最快到達目的地的方法呢？

🎧 這一集在聊什麼：這一集要帶大家了解地圖導航快速找路的秘密。我們會認識電腦科學家在 1956 年提出的演算法原理，以及電腦如何透過一步步比較與篩選道路，幫大家迅速算出最佳路線。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:Why can map apps on our phones find the fastest route out of millions of roads in just a few seconds?

🎧 What this episode is about:This episode explores the secret behind how map navigation finds routes so fast. Kids will learn about algorithm principles originating in 1956 and how computers step-by-step compare and filter roads to quickly calculate the best path.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

Can a Fish Drown? Discovering the Amazon's Air-Breathing Arapaima and Its "Milk"

🧠 好奇問題：魚如果待在水裡太久居然會溺水？而且魚類爸爸媽媽也會分泌類似牛奶的液體來照顧小魚嗎？

🎧 這一集在聊什麼：本集要介紹生活在亞馬遜河的巨大淡水魚——象魚。牠們需要浮出水面呼吸空氣，如果長時間待在水裡反而會溺水。象魚爸爸媽媽還會從頭部分泌特殊的白色液體，幫助保護與照料小魚長大。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:Can a fish drown if it stays underwater for too long, and do fish parents really secrete a white, milk-like fluid to care for their young?

🎧 What this episode is about:This episode introduces the giant arapaima living in the Amazon River. Children will discover how these fish breathe air from above the water and why staying underwater too long can make them drown. We will also learn how parent fish secrete a special white fluid to protect and care for their young.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

Why Are Most Humans Right-Handed?

🧠 好奇問題：為什麼世界上大多數的人都習慣使用右手，而左撇子卻只佔少數呢？

🎧 這一集在聊什麼：科學家發現人類早在數十萬年前就多數習慣使用右手，這可能與大腦左半球分工及工具製造有關。同時，左撇子在對抗競爭中具有出其不意的優勢，而右撇子則在工具合作上更有利，兩者形成了一種長期平衡。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:Why are most people around the world right-handed, while left-handed people remain a small minority?

🎧 What this episode is about:Scientists have found that humans have been mostly right-handed for hundreds of thousands of years, which is linked to brain specialization and tool use. While left-handedness provides a surprise advantage in competitive encounters, cooperation and tool sharing favor right-handedness, maintaining a stable balance in human evolution.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.

The Heaviest Snake: How Green Anacondas Live and Breathe in Water

🧠 好奇問題：綠森蚺在張大嘴巴吞下大塊食物時，是怎麼保持呼吸的呢？

🎧 這一集在聊什麼：這一集要帶大家認識世界上最重的蛇——綠森蚺。我們會了解牠們如何在水裡靈活游泳、如何在吃食物時將氣管伸出嘴巴來呼吸，以及牠們特殊的生存方式。

👦👧 適合誰收聽：適合國小生收聽，也很適合爸媽陪孩子一起聽、一起討論。

🎙️ 節目介紹：這裡是《你想學什麼呢？》，一個用簡單、有趣的方式，陪孩子探索世界各種為什麼的 Podcast。

🧠 Curiosity question:How does a green anaconda continue to breathe while opening its mouth wide to swallow a large meal?

🎧 What this episode is about:This episode introduces listeners to the green anaconda, the heaviest snake in the world. Kids will learn how these giant snakes swim gracefully in water, extend their windpipes like a snorkel to breathe while eating, and adapt to their environment.

👦👧 Who this episode is for:This episode is suitable for elementary school children and is great for parents to listen together with their kids.

🎙️ About the Podcast:What Do You Want to Learn? is a kid-friendly educational podcast that uses simple and engaging explanations to explore everyday “why” questions with curious young listeners.