治疗辐射伤害缺乏有效方法
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科学60秒:海藻之于电池的神奇功效
Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion batteries include a binder. It holds the g...
狗的赞歌
短文The best friend a man has in the world may turn against him and become his enemy. His son or daughter that he has reared with loving care may prove ungrateful. Those who are nearest and deare...
照亮黑暗角落的光芒
短文Shining Light in Dark Corners "Dr.Papaderos, what is the meaning of life?" The usual laughter followed, and people stirred to go. Papaderos held up his hand a...
厨房飘着的云朵
短文Fill a kettle with water, then turn on the burner. In a while, your kettle will start belching white billowy stuff into the air. What is this stuff? Steam? Actually, no. Steam is water ...