The Golden Ratio
YouthMathematicsArchitectureArtNatureYouth 120Youth 125Youth 130The golden ratio appears in nature and may have inspired great works of art and architecture. Some believe it defines facial beauty - but is it all a myth?
Baby Penguins Brave a Deadly Storm | Secrets of the Penguins | National Geographic
AdultsAnimalsNatureWildlifeIn this special look at the new series Secrets of the Penguins, wildlife filmmaker Bertie Gregory witnesses a group of young penguin chicks, one especially small, as they face an unforgiving storm and their first taste of independence.
Primitive Technology: Re-smelting previously made iron
AdultsConstructionCreativityNatureI took the iron I already smelted and re- smelted it. The iron was old and rusty from forging experiments. Iron oxidises faster when in the forge due to the hot and oxidising conditions. So I tried smelting it again to turn the rust back into iron.
Rare Footage of Glacier Finches Nesting in a World of Ice | BBC Earth
AdultsAnimalsEnvironmentNatureWildlifeFor the first time, stunning footage reveals the White-Winged Diuca Finch nesting in the heart of glaciers. But as the sun melts their icy homes, these birds face a race against time.