Dr Karl Podcast

Dr Karl Podcast

《Dr Karl Podcast》是由澳洲廣播公司(ABC)旗下青年廣播電台 triple j 製作的科學教育類節目。該節目由澳洲知名的科學傳播者 Karl Kruszelnicki 博士(通常被稱為 Dr Karl)與電台主持人 Lucy Smith 共同主持,並定期邀請各領域的科學家擔任嘉賓,與具有強烈好奇心的聽眾進行深度互動。

節目的核心形式為「科學答疑」,每週更新的內容主要圍繞著聽眾提出的各類疑問展開。這些問題範疇極廣,涵蓋了生物學、物理學、化學、天文學、醫學以及日常生活中的各種科學現象。Kruszelnicki 博士憑藉其在醫學、工程學、數學及生物醫學等多重學術背景,以具備科學實證的資料為基礎,協助聽眾破解廣為流傳的都市傳說與科學迷思,並解釋複雜的自然原理。

作為澳洲歷史悠久的科普節目之一,其內容不僅具備高度的教育意義,更強調科學與個人生活、社會趨勢及環境變遷的緊密聯繫。節目的客觀描述風格與理性分析方式,使其成為全球科學愛好者、教育工作者以及學生族群獲取準確科學資訊的重要途徑。透過跨學科的探討,該節目致力於推廣基於證據的思維方式,並將深奧的學術知識轉化為一般大眾皆能理解的資訊。儘管節目是由澳洲的 triple j 頻道製播,但其探討的主題具有全球普適性,為全球聽眾提供了一個探索科學真理的數位平台。

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單集摘要

In this episode of Science with Dr. Carl, the host and Dr. Carl explore a wide range of scientific phenomena, from the mechanics of carbonation in drinks to the receding distance of the moon from Earth. The discussion covers why hot showers can trigger goosebumps, the physics behind why the sun isn't blue, and the science of static electricity in shopping trolleys. The episode also addresses listener questions regarding mass ladybird strandings, the physiological effects of yawning on hearing, and the possibility of a living universe. Finally, the hosts discuss the sensory benefits of sun-dried towels and the scientific reasoning behind why creative breakthroughs often occur during showers.

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精彩亮點

Water, H2O, they're bent like a boomerang. But carbon dioxide is a straight line.

00:05:09 · Dr. Carl explains the molecular geometry difference between water and carbon dioxide to describe how gas molecules fit between water molecules.

Fingernails, tectonic plates and the moon. They're all moving away at roughly the same rate, about three to four centimetres a year.

00:09:29 · Dr. Carl draws a comparison between various natural phenomena that are all experiencing a gradual recession or movement.

So what's happening is that you're accidentally activating your sympathetic nervous system.

00:13:33 · Dr. Carl explains the physiological reason why a sudden temperature change in a shower can trigger goosebumps.

So they kind of invented this study called tribology, which is the study of friction.

00:18:32 · Dr. Carl introduces the scientific term for the study of friction to explain static electricity buildup in trolley wheels.

Creative boredom is an incredibly important part of being a fully rounded human.

00:38:01 · The speaker explains why disconnecting from digital stimuli in the shower allows for creativity to emerge.

單集

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Shower thoughts, electric shocks and ladybirds

In this episode of Science with Dr. Carl, the host and Dr. Carl explore a wide range of scientific phenomena, from the mechanics of carbonation in drinks to the receding distance of the moon from Earth. The discussion covers why hot showers can trigger goosebumps, the physics behind why the sun isn't blue, and the science of static electricity in shopping trolleys. The episode also addresses listener questions regarding mass ladybird strandings, the physiological effects of yawning on hearing, and the possibility of a living universe. Finally, the hosts discuss the sensory benefits of sun-dried towels and the scientific reasoning behind why creative breakthroughs often occur during showers.

05 Nov 2026
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BONUS EP: We're giving away a Dr Karl shirt!

Hosts Lucy and Dr. Carl announce a special giveaway for the month of November. A listener who submits a question via text or Google form and is featured on the Science with Dr. Carl segment will have the opportunity to win one of Dr. Carl's iconic, asymmetric strawberry-patterned shirts. The shirt was custom-made by Dr. Carl's wife, Mary, under her bespoke brand, the House of Mary. The winner will be selected during the final show on Thursday, November 26. Participants are encouraged to submit questions via the provided text line or show notes link and must be available to take a call to participate in the segment.

03 Nov 2026
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Night sweats, time travel and dog poo

In this episode of Science with Dr. Carl, the hosts answer a wide range of listener questions covering biology, physics, and everyday phenomena. The discussion explores topics such as the effects of hurricanes on flowers, the mechanics of binoculars, and the science behind night sweats after long-distance running. The conversation also delves into complex scientific concepts including the properties of antimatter, the unpredictability of turbulent airflow, and the albedo of a hypothetical water-covered moon. Additionally, the episode touches on biological mysteries like facial asymmetry, why dogs engage in coprophagia, and the physics behind gaining speed on a bike pump track.

29 Oct 2026
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Bruising, cockatoo schedules and roasted potatoes

In this episode of Science with Dr. Karl, the hosts explore a wide range of scientific curiosities, from the biological mechanisms of avocado trees and the physics of heat absorption in cookware to the mechanics of bruising and wound healing. The discussion also covers why cyclones do not cross the equator due to the Coriolis effect and the impact of saltwater on sinus pressure. Dr. Karl further addresses listener questions regarding the expansion of the universe, the speed of light, and medical topics such as bunions and epilepsy-related déjà vu. The episode concludes with insights into sauna thermodynamics and information on how listeners can submit their own scientific inquiries.

22 Oct 2026
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Coral bleaching, bioluminescence and intelligent fish

Host Lucy Smith sits down with marine scientists Mike Emsley and Daniel Ceccarelli from the Australian Institute of Marine Science to explore the complexities of reef monitoring, fish ecology, and the impacts of climate change. The discussion covers the daily work of surveying the Great Barrier Reef, the effectiveness of marine protected areas, and the environmental threats posed by deforestation and El Niño. The episode also addresses a variety of listener questions, ranging from shark behavior and evolutionary timelines to plant movement, bioluminescence, and fish intelligence. The experts conclude by discussing fish sentience, venomous species, and how the public can monitor reef health via the AIMS dashboard.

15 Oct 2026