In the Know

Maria Telkes – Scientist and Inventor

Maria Telkes was an American scientist who invented solar-powered devices.  She studied biophysics and chemistry. She earned her doctorate degree in 1924. Telkes learned that heat from sunlight could be captured and stored, and then … Read more

In the Know

Igloos are Amazing Snow Houses

Think about some of the amazing architectural structures in the world – bridges, towers, skyscrapers. Engineers spend hours developing plans and choosing materials for their structures. One of the most interesting architectural structures is made … Read more

In the Know

A New Gate in Central Park

Central Park is a beautiful and peaceful park in the middle of New York City. It is surrounded by a low stone wall with many entryways—called gates—where people can enter the park. These gates are … Read more