5 Minute Test

Satellites orbiting the Earth collect data on weather patterns, ocean currents

and air quality. The discovery of penicillin in 1928 revolutionized medicine

and saved countless lives. The human brain contains roughly eighty-six billion

neurons, each forming thousands of connections. Coral reefs support thousands of

marine species, but they are under threat from warming oceans. Renewable

energy sources, such as wind and solar, are growing faster than

ever before. Architects in Barcelona designed buildings inspired by natural forms,

curves and organic shapes. Architects in Barcelona designed buildings inspired by

natural forms, curves and organic shapes. Coral reefs support thousands of