Primitive Technology: Double water bellows
AdultsConstructionCreativityNatureI built two water bellows to use in tandem for smelting. Previously I made and tested one water bellow. It was small and was fired in a pit...
Why Grass Grows Better Under Trampolines
AdultsEnvironmentGardeningNatureScienceIf you’ve ever owned a backyard trampoline –or jumped on someone else’s– you might have noticed that the grass underneath it is longer and lusher than the grass in the rest of the yard. It’s not just that that grass isn’t getting mowed… in fact, when it does get mowed, you can see the weird effect even better! Instead there's something else –something shadier– going on here.
The Soil Beneath Your Feet
YouthAgricultureEcologyEnvironmentNatureYouth 120Youth 125Youth 130Soil is underappreciated. But it's vital in so many ways. Here's a look at the importance of soil - and why soil matters so much.
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.