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Super banana | Australian biogeneticist(生物遺傳學(xué)家)James Dale visited Uganda,a poor African country,in the early 2000s.There he found that 15--30percent of children under 5were at risk of becoming blind because they did not get enough Vitamin(維他命) A.Dale also learned that people there love bananas.They eat three to eleven bananas a day.So he came up with the idea to plant bananas containing added nutrition(營養(yǎng)) in order to improve Ugandans'health. With the help of Bill Gate's foundation,Dale developed the "super banana".He added a gene tothe friut,making i rich in Vitamin A.In June,"super banana"began tests on human in the US. |
Coaching Basketball | Basketball is popular worldwide,partly bacause you only need a hop(籃筐) and a ball to play the game.But this simple game has experienced a technology makever this year with the development of a smart-sensor(傳感器)basketball. The ball,called the 94Fifty Basketball,has nine sonsors inside.They can tell you anything from how fat you are going to how accurate your shot angels are. With a Bluetooth chip inside,the basketball can connect to your smartphone and tell you on the voice of a coach to"snap your wrist(傳旋轉(zhuǎn)球)"or"go faster",depending on the data |
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