园丁可尝试的新水果和蔬菜 If you are a gardener, you probably have some favorite plants that you grow year after year.

狂欢节：新奥尔良最大的派对 Wild celebrations of Mardi Gras come just before the start of Lent.

科学家发现基因与人类语言能力有关 A new study suggests the beginnings of human speech are linked to genetics.

上诉 This week on Ask a Teacher, we answer the following question from a listener.

詹姆斯·麦迪逊，美国宪法之父 Madison was elected president of the United States in 1808.

日本丰田建造了一座类似城市的中心来测试机器人和人工智能 Japanese automaker Toyota says it is building a research center in a city-like setting to test robotics, artificial intelligence (AI) and autonomous vehicle technologies.

美国间谍：弗吉尼亚·霍尔 Thousands of women have served as intelligence agents for the United States and its allies since the nation began.

美国制造的摩天大楼 Skyscrapers were invented in the United States.

海滩，海岸，岸边 This week on Ask a Teacher, we answer a question from Doyeon in Korea about the usage of three similar words.

保护地球免受小行星撞击的方法 Astronomers following asteroid activity in space estimate there is a very small chance an object large enough to destroy a whole city could strike Earth in 2032.