Risultati per "economia" in Scienza e tecnologia

In the 1920s cotton buyer Earle Dickson worked for Johnson & Johnson and had a klutzy wife who often cut herself. The son of a doctor, Earle set out to create an easier way for her to bandage her injuries. Band-Aids were born, but Earle's bosses at the pharmaceutical giant weren't convinced, and it wasn't until the Boy Scouts of America tested Earle's prototype that this ubiquitous household staple was made available to the public.

Plastic bags are cheap and easy to use. But what happens when a bag breaks or is no longer needed? In Njau, Gambia, people simply dropped the bags and went on their way. One plastic bag became two. Then 10. Then a hundred. The bags accumulated in ugly heaps alongside roads. Water pooled in them, bringing mosquitoes and disease. Some bags were burned, leaving behind a terrible smell. Some were buried, but they strangled gardens. They killed livestock that tried to eat them. Something had to change.

Ever wonder what crops grow in North Carolina? Or which state park is nearest to your home? Economic and resource maps show what natural resources are in a place and how people in that place earn money. They can also include data about industries. But how do you use these maps? And what goes into the process of creating them? Listen to become a map whiz!

Mystified by money? Discover how it shapes the world we live in with Dragon’s Den investor and entrepreneur Deborah Meaden.