Over 2 years of study, Randolf has shown that these doses neonicotinoids do affect bees' higher cognitive processes, especially their memory of the landscape around them.-We tested about 200 bees, both controlled bees and pestcide-treated bees, and w

发表于:2018-12-03 / 阅读(41) / 评论(0) 分类 探索与发现2013年

Study: Neglected Tropical Diseases Surfacing in Central Asia Many of the bacterial and parasitic worm infections commonly associated with the tropics are becoming rampant in some Central Asian countries in the former Soviet Union. That's the finding

发表于:2018-12-16 / 阅读(41) / 评论(0) 分类 VOA标准英语2011年(十月)

When I was first learning to meditate, the instruction was to simply pay attention to my breath, and when my mind wandered, to bring it back. Sounded simple enough. Yet I'd sit on these silent retreats, sweating through T-shirts in the middle of wint

发表于:2018-12-28 / 阅读(69) / 评论(0) 分类 跟希哥学英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conscious planning for the future was thought to be a cognitive behavior unique to humans. Not anymore. Researchers in Sweden have found a zoo chimp th

发表于:2019-01-05 / 阅读(61) / 评论(0) 分类 Scientific American(三)月

Has the person become agitated, aggressive, irritable, or temperamental? the questionnaire asks. Does she/he have unrealistic beliefs about her/his power, wealth or skills? 人有变得焦躁不安、具攻击性、易怒、情绪起伏不定吗?这份

发表于:2019-02-06 / 阅读(59) / 评论(0) 分类 阅读空间

Acceptability 可接受性 Achievement tests 成就测试 Action plan 行动计划 Action steps 行动步骤 Adventure learning 探险学习法 Adverse impact 负面影响 Agency shop 工会代理制 Alternative dispute resolution (ADR) 建设性争议

发表于:2019-02-13 / 阅读(46) / 评论(0) 分类 英文语法词汇