文章列表

• 1.火星上的融水可以维持生命
• Near surface water has shaped the landscape of Mars. Areas of the planet's northern and southern hemispheres have alternately thawed（融解） and froze...
• 2.正确进食是鲸鱼生存的关键
• In the marine world, high-energy prey make for high-energy predators. And to survive, such marine predators need to sustain the right kind of high-ene...
• 3.帝企鹅长距离觅食时利用海冰休息
• For the first time, researchers tracking the behavior of emperor penguins near the sea have identified the importance of sea ice for the penguins' fee...
• 4.火山岩中发现犀牛骨骼
• Less than 2% of Earth's fossils are preserved in volcanic rock, but researchers have identified a new one: the skull of a rhino that perished in a vol...
• 5.洋流活动可预测北极海冰的范围
• Each winter, wide swaths（细长的列） of the Arctic Ocean freeze to form sheets of sea ice that spread over millions of square miles. This ice acts as ...
• 6.个人电子设备3D打印或将实现
• Scientists are developing new materials which could one day allow people to print out custom-designed personal electronics such as games controllers w...
• 7.某种酶可将猫薄荷变为癌症药
• Scientists have discovered an enzyme used in nature to make powerful chemicals from catnip（猫薄荷） to a cancer drug, vinblastine（长春花碱） . The d...
• 8.恐龙在鸟类飞行进化史中的作用
• A new study looking at the structure of feathers in bird-like dinosaurs has shed light on one of nature's most remarkable inventions -- how flight mig...
• 9.狗联词定物的能力与人类相异
• Dogs learning to associate words with objects form these associations in different ways than humans do, according to research published November 21 in...
• 10.纳米设备探测易燃易爆物品
• Portable, accurate, and highly sensitive devices that sniff out vapors（蒸汽） from explosives and other substances could become as commonplace as smo...