PBS
When Insects First Flew
Insects developed wings and the ability to fly earlier than any other animal—when exactly did that happen? Scientists know this fact but struggle to explain when insect wings developed and how this entirely new structure appeared. PBS...
Be Smart
Why Is Blue so Rare in Nature?
Why so blue? As it turns out, very few things in nature only reflect blue light! A short video from a comprehensive science playlist highlights the beautiful blues of butterflies, birds, and human eyes. The narrator shows how adaptations...
Veritasium
How Does A Wing Actually Work?
More than 100,000 commercial flights take off every day, but how do the planes fly? Veritasium presents a video explaining the way wings work. It opens with the common misconception, then introduces two seemingly conflicting...
Real Engineering
Why Are Airplane Wings Angled Backwards??
Being backwards isn't always bad. Scholars view a short video in the Real Engineering series to see why airplane wings are not straight and are angled backwards. The video provides a brief timeline of how airplane wings have evolved over...
Real Engineering
Winglets—How Do They Work? (Feat. Wendover Productions)
How does the 1973 oil crisis relate to winglets on airplane wings? Interested pupils view a video that explains why airplane wings have winglets. It turns out that the high cost of oil made more efficient wings a necessity.
Deep Look
What Happens When You Put a Hummingbird in a Wind Tunnel?
Hummingbirds consume their weight in nectar every day. The video explains their unusual flying abilities. From holding their bodies perfectly still while flapping their wings in mid air in order to get the nectar to shaking off water...