Science can be both fascinating and perplexing, and TED-Ed lessons are a wonderful resource for diving into these complex topics. Whether you’re curious about age-old questions like “Which came first: the chicken or the egg?” or looking to understand the intricate workings of our bodies, these video lessons provide engaging and insightful explorations into a variety of scientific phenomena.
TED Ed Science Video Lessons
In this post, we’ll summarize a selection of TED-Ed talks that cover everything from the mysteries of menstruation and the science of muscle growth to the brain-boosting benefits of bilingualism and the evolutionary reasons behind left-handedness. Get ready to expand your knowledge and satisfy your curiosity with these captivating science lessons.
1. Which came first: the chicken or the egg?
This age-old debate has intrigued thinkers from ancient times to modern day. The video delves into the origins of this classic question, exploring perspectives from both evolutionary biology and philosophical inquiry. By examining the evolutionary lineage of birds and the development of eggs, viewers are encouraged to consider both scientific and philosophical dimensions of the conundrum.
Watch the video Access full TED Ed lesson
2. What makes muscles grow? – Jeffrey Siegel
With over 600 muscles in the human body, muscle health is crucial for mobility and strength. Jeffrey Siegel explains the science behind muscle growth, highlighting the importance of sleep, nutrition, and exercise. This lesson emphasizes how daily habits influence muscle development, offering insights into how to keep muscles strong and healthy through a balanced lifestyle.
Watch the video Access full TED Ed lesson
3. What would happen if you didn’t drink water? – Mia Nacamulli
Water is vital for our survival, comprising a significant percentage of our body composition. Mia Nacamulli’s lesson details the essential functions of water in the body and underscores the health benefits of staying hydrated. The video explains how water supports various bodily functions and the potential consequences of dehydration, stressing the importance of regular water intake.
Watch the video Access full TED Ed lesson
4. Is it better to walk or run in the rain?
When caught in a downpour without proper rain gear, the question arises: should you walk or run to stay drier? Minutephysics tackles this practical dilemma, using physics to explore which approach minimizes exposure to rain. The video breaks down the variables involved, such as speed and angle of raindrops, to determine the most effective strategy for staying dry.
Watch the video Access full TED Ed lesson
5. How blood pressure works – Wilfred Manzano
The human circulatory system is vast, with blood vessels stretching up to 60,000 miles. Wilfred Manzano’s lesson provides a comprehensive overview of blood pressure, explaining how it functions within the body. The video covers the mechanisms that maintain blood pressure, its impact on blood vessel walls, and the importance of managing healthy blood pressure levels to prevent health issues.
Watch the video Access full TED Ed lesson
6. Why Do Women Have Periods?Â
Menstruation is a rare phenomenon among mammals, with only a few species experiencing it. This lesson explores the evolutionary and biological reasons behind menstruation in humans. TED-Ed delves into the historical context and evolutionary advantages of this process, despite its apparent inefficiency and inconvenience. The video helps demystify why humans menstruate more frequently than other animals and the role it plays in reproductive health.
Watch the video Access full TED Ed lesson
7. How Does Anesthesia Work? – Steven ZhengÂ
Anesthesia allows for pain-free surgeries by rendering patients immobile and unconscious. Steven Zheng’s lesson breaks down the science behind anesthesia, explaining how it affects the nervous system to prevent movement, memory formation, and pain sensation. The video provides insights into the different types of anesthesia and their specific applications, offering a detailed look at how these drugs safely and effectively induce a state of controlled unconsciousness.
Watch the video Access full TED Ed lesson
8. How sugar affects the brain – Nicole Avena
Consuming sugar activates the brain’s reward system, much like addictive substances do. Nicole Avena explains the biochemical processes triggered by sugar intake, including the release of dopamine and the subsequent cravings it induces. The lesson highlights the impact of excessive sugar consumption on brain health and emphasizes the importance of moderation to maintain a balanced diet and prevent addiction-like effects.
Watch the video Access full TED Ed lesson
9. The benefits of a bilingual brain – Mia Nacamulli
Being bilingual offers more than just practical benefits like easier travel or entertainment. Mia Nacamulli’s lesson details the cognitive advantages of a bilingual brain, categorizing three types of bilingualism and their effects on brain function. The video explores how bilingualism enhances cognitive flexibility, problem-solving skills, and overall brain health, illustrating the mental workout provided by learning and using multiple languages.
Watch the video Access full TED Ed lesson
10. What would happen if you didn’t sleep? – Claudia Aguirre
Sleep deprivation is a common issue with significant consequences. Claudia Aguirre explains the critical functions of sleep for maintaining physical and mental health. The video outlines the detrimental effects of sleep deprivation, such as impaired cognitive function, weakened immune response, and increased risk of chronic conditions. This lesson underscores the importance of prioritizing sleep for overall well-being.
Watch the video Access full TED Ed lesson
11. How playing an instrument benefits your brain – Anita Collins
Playing an instrument provides a comprehensive workout for the brain, engaging multiple areas simultaneously. Anita Collins explores the neurological impact of musical training, explaining how it enhances cognitive abilities and promotes long-term brain health. The video discusses the unique benefits of music practice, including improved memory, coordination, and emotional processing, demonstrating the powerful effects of musical engagement.
Watch the video Access full TED Ed lesson
12. Why are some people left-handed? – Daniel M. Abrams
Left-handedness is a trait exhibited by about 10% of the population. Daniel M. Abrams investigates the evolutionary and social factors that contribute to this minority trait. The lesson explores the balance between competitive and cooperative dynamics that have influenced the prevalence of left-handedness, offering insights into the genetic and environmental influences that determine handedness in humans.
Watch the video   Access full TED Ed lesson
Related resources TED Ed history videos, TED Ed Greek mythology videos, and TED Ed riddles.Â
Final thoughts
TED-Ed’s science talks offer a treasure trove of knowledge, making complex scientific concepts accessible and engaging for everyone. From understanding the vital role of water in our bodies to the cognitive benefits of playing an instrument, these lessons provide valuable insights that can enhance our daily lives and broaden our perspectives. Whether you’re a student, educator, or lifelong learner, these videos are a testament to the power of education in sparking curiosity and fostering a deeper understanding of the world around us.
