From a single gold coin's journey through the centuries, to an ingenious screw that changed engineering, the extraordinary stories behind 100 of the most significant and intriguing artefacts in US ...

In our world, we have different materials like wood, metal, plastic and glass. These materials are used to make the objects we see and use everyday. Each material has special properties that make it ...

An object is something that you can touch. A material is what the object is made from. When we choose a material, we need to select the right one for the object it will finally become. For example, ...

Megalophobia is a fear of big things like buildings or animals. People with megalophobia can feel panic and avoid big objects. Megalophobia can affect relationships and job opportunities. Megalophobia ...

The scope of objects in Smithsonian collections is staggering—from ancient Chinese bronzes to the Star-Spangled Banner; from a 3.5 billion-year-old fossil to the Apollo lunar landing module; from the ...