The Most Dangerous Building in Manhattan
AdultsArchitectureEngineeringHistoryCorrection: 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
AdultsConstructionCreativityLifeI 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
AdultsAnimalsNatureWildlifeHornets 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.
Why Does Biodiversity Matter?
YouthEcologyEnvironmentNature...Meet nature advocate Lira Valencia and ecological economist Dr. Sophus zu Ermgassen as they discuss what biodiversity loss could mean for the planet.
Professor Answers Neurodiversity Questions | Tech Support | WIRED
AdultsEducationNeurosciencePsychologyProfessor Matt Lerner, PhD joins WIRED to answer the internet's burning questions about neurodiversity. What are some signs of autism?
The ocean is evolving, and it’s not based on the ‘survival of the fittest’
AdultsEnvironmentEvolutionOceanAstrobiologist 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.
How To Draw: Axolotl Mermaid
ChildrenArtCreativityEE1...We 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.
Will Natrium Nuclear Reactors Change Everything?
AdultsNuclearEnergyInnovation...In 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.
Stonehenge Isn't A Henge (And Other Things You Didn't Know)
AdultsConstructionHistoryYou've heard of Stonehenge. It's that big rock circle over in England. But there's a lot more to it than that, and researchers have been studying it for centuries. From the people who lived near it to how and when it was made, here are seven of the coolest things we know about this iconic monument.