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科学60秒:泪糖代替血糖?
People with diabetes may have to endure multiple, painful finger sticks every day to get blood samples for testing. But a new glucose test may do away with the pain even as it brings on the t...
[科学60秒] “追尾”小行星
An asteroid (2010 SO16) has been discovered that has trailed the Earth in an almost identical orbit to ours for a quarter-million years. Karen Hopkin reports When you hear about asteroids close ...
人生礼颂
诗歌A Psalm of Life by Herry Wadsworth Longfellow Tell me not in mournful numbers, Life is but an empty dream! For the soul is dead that slumbers And things are not what they seem. ...
晨读美文058
晨读美文Parents are often upset when their children praise the homes of their friends and regard it as a slur on their own cooking,or cleaning, or furniture, and often are foolish enough to let...