Illicitly used Synthetic drugs are chemically produced psychoactive substances that mimic the effects of illegal narcotics, which have been altered just enough to avoid classification as illegal. And this is one reason why these chemicals are dangero

发表于:2018-12-08 / 阅读(107) / 评论(0) 分类 VOA标准英语2017年(三月)

This is Scientific Americans 60-Second Science, I am Cynthia Graber, this will just take a minute. The disease hepatitis C might provide a new tool in the fight against HIV AIDS ,say scientists at the Scripps Institute and in the Netherlands.The rese

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(四)月

Drug Reverses Alzheimer's in Lab Mice Researchers working with laboratory mice have stopped the progression of a condition found in the brain of Alzheimer's victims. They've even reversed cognitive decline. But whether the discovery can translate to

发表于:2019-01-14 / 阅读(41) / 评论(0) 分类 VOA标准英语2012年(二月)

AUDIE CORNISH, HOST: Scientists have taken a big step towards making synthetic life. In other words, they figured out how to create a living thing with DNA that was written in a lab. NPR health correspondent Rob Stein has the details. ROB STEIN, BYLI

发表于:2019-01-16 / 阅读(74) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Themolecularapproachtodetecting peptidehormonesusingcDNAprobes shouldalsobemuchfasterthanthe (60)immunologicalmethodbecauseitcan takeyearsoftediouspurifications toisolatepeptidehormonesandthen developa

发表于:2019-02-06 / 阅读(61) / 评论(0) 分类 英文语法词汇

SYDNEY, Aug. 5 (Xinhua) -- The Western Australian Government announced on Friday that 14 new substances linked to the manufacture of the synthetic drug Kronic would be banned from Friday midnight. The State Mental Health Minister Helen Morton told th

发表于:2019-02-19 / 阅读(60) / 评论(0) 分类 英语新闻