A tree fungus could provide green fuel that can be pumped directly into vehicle tanks, us scientists say.

美国科学家表示，一种树菌能够提供直接由车辆使用的绿色燃料。

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Drinking five cups of coffee a day could reverse memory problems seen in Alzheimer's disease, US scientists say.

美国科学家称，一天喝五杯咖啡或可缓解阿尔茨海默病的记忆问题。

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Walnuts are the healthiest of all the nuts and should be eaten more as part of a healthy diet, US scientists say.

美国科学家称核桃是所有坚果中最为健康的一种，应该作为健康饮食的一部分多吃。

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In any case, scientists have, let us say, a checkered record in this regard.

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That gave us clues that we could send back to the lab scientists and say, Heres something that looks suspicious.

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Scientists in the US have built and tested robotic ants that they say behave just like a real ant colony.

BBC: Robot ants: mini-machines mimic insect colony