The Most Dangerous Building in Manhattan
Adults Architecture Engineering HistoryCorrection: From construction images of Citicorp, sharp-eyed viewers might see that the mid-V columns are still there. Those columns help prevent buckling of the diagonal and the weight of people on the floor above, but do not take the majority of the gravity load. So we left them out of our diagram to clearly explain the load paths.
Primitive Technology: Floating Pulley Blower Smelt
Adults Construction Creativity LifeI tested the floating pulley blower I made last time in an iron smelt. I started by re-building the blower housing from the last project which had broken after getting wet.
Bees vs Hornets: Nature's Most Synchronised Defence System | BBC Earth
Adults Animals Nature WildlifeHornets can overpower a single bee with ease, but facing an entire hive is a different story. The bees' synchronised Mexican wave is a hypnotic display of unity and defence that keeps even the fiercest predators at bay.
Professor Answers Neurodiversity Questions | Tech Support | WIRED
Adults Education Neuroscience PsychologyProfessor Matt Lerner, PhD joins WIRED to answer the internet's burning questions about neurodiversity. What are some signs of autism?
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How To Draw: Axolotl Mermaid
Art Creativity EE1 EE2 How-toWe are drawing a super cute Axolotl Mermaid! This is such a fun and unique lesson where we combine two awesome creatures into one magical character.
The ocean is evolving, and it’s not based on the ‘survival of the fittest’
Adults Environment Evolution OceanAstrobiologist Betül Kaçar explains that life survives by working together, not just by competing. To elaborate, she uses an example about microbes in the Black Sea that help other organisms by sharing energy.
Will Natrium Nuclear Reactors Change Everything?
Adults Nuclear Energy Innovation Science TechnologyIn February 2025 I got to visit Terrapower, a self-proclaimed nuclear innovation company. In part one of this sponsored series, you saw the science behind turning nuclear waste into cancer medication.
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Adults Smrt Ad Social Media EducationIf you’re not already following us on Facebook, maybe it’s time to start. Follow us on Facebook for Smrt updates, events, contests, tips, FAQ's and EdTech related posts.
How Illustrations Show Plot
Kids Kids 110 Kids 115 Kids 120 Kids 125 Kids 130 Literature Reading StorytellingIn this video, Sandy and Peck study the pictures in a book to help understand the story better.