検索キーワード： "c" 科学・テクノロジー

Visit the Nation's Capital! Learn about Washington, D.C.'s, history, geography, weather, people, and more in this book that's all about our nation's capital.

Madam C. J. Walker invented a line of African American hair products and cosmetics that led her to become the first self-made female millionaire.

Et døgn på Venus varer kortere tid end et døgn på Venus. Mars har to måner, der hedder Skræk og Rædsel. På den ene halvdel af Uranus er det altid dag. På den anden er det altid nat. Der er tre LEGO-figurer på vej til Jupiter. Temperaturen på Merkur svinger mellem 200 minusgrader og 300 plusgrader.

Australia is home to some of the most unusual animals in the world. Did you know, millions of years ago, all the continents were clumped into one large landmass? When the continents began to break away, South America, Antarctica, and Australia were still stuck together. Later, South America connected to North America, but Australia separated. It kept evolving in isolation, which is why the animals of Australia can look very different from animals anywhere else in the world.