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非理性的反转闹剧何时休矣

2018-6-21 14:12| 发布者: admin| 查看: 3648| 评论: 27

当前,全球范围内转基因技术发展日新月异,产业应用突飞猛进,但在我国,转基因安全问题已变成一个正方反方水火不容的社会话题。

“转基因安全问题的非理性争论,凸显了在物质文明不断进步的同时,科学精神的匮乏与缺位。”中国农业科学院生物技术研究所所长林敏研究员13日告诉科技日报记者。他认为,尊重事实、理性包容是科学精神的重要内涵。在转基因安全问题争论中,需要秉持的科学精神,是以科学证据为基础,通过科学探索和理性讨论,揭示真理、形成共识。

苛求绝对安全 违背科学精神与科学常识

在林敏看来,转基因安全问题,本质上是科学问题。

比如在转基因安全争论中,“转基因食品吃一代安全,吃十代二十代安全吗?”这种说法非常流行。

“其实苛求转基因食品的绝对安全违背了基本的科学精神与科学常识。绝对安全的食品是不存在的,任何一种食品,甚至包括水,都有安全剂量。”林敏说。

此外,“虫都不吃,人能吃吗?”这句流传甚广的话乍听似乎非常有道理,但这种简单的类比思维方式是不科学的。

林敏解释,科学家利用Bt基因培育的转基因抗虫作物,首先是基于对Bt基因及其杀虫蛋白的功能和作用机制的深入研究,证明能杀死棉铃虫的Bt蛋白对其它昆虫如蚊子或苍蝇无效,也不会对其它动物包括人类产生危害,其安全性有着坚实的科学依据。

林敏说:“关于转基因安全性问题,最符合科学精神的结论是:转基因技术风险可控,经过专业机构科学评价、政府部门审批和监管的转基因产品是安全的。”

被“带节奏”盲从反转 缺乏逻辑思维且非理性

“转基因话题在国内持续引起民众关注,除了部分非专业名人的推波助澜,更重要的是我国民众容易在网络上被‘带节奏’盲从反转。”中国农业科学院生物技术研究所副研究员柳小庆说。

这源于对转基因技术相关的基本学术概念含义不了解。柳小庆写的科普文章留言区常会见到“创新说法”:“除草剂基因”“草甘膦基因”“转基因作物是内置了农药”,以及将转Bt转基因作物说成是“转病毒作物”等。

“这些基本概念的含义都错得离谱,又如何能独立做出判断呢?因此,在社会整体缺信的大背景下,他们很容易失去判断力,人云亦云、以讹传讹。”柳小庆说。

当无法从正面了解某件事情的真相时,有辩证科学思维的人就会通过同类比较分析和换位思考等方式去从侧面了解真相,不会轻易下结论。在柳小庆看来,反转人群更缺乏辩证的科学思维。部分反转民众听风就是雨,不去比较、不去求证、不去从权威渠道获取可靠信息,就妄下结论。

这种情况在转基因阴谋论中表现尤为突出。柳小庆说,且不说那些“转基因会亡国灭种”和“转基因是美国针对中国人的世纪阴谋”等论调,一些反转人士竟还散布“从国家各个监管部门和科研部门均已被收买”这样的言论,实在想不出哪个公司有如此大能量能收买如此多的政府部门和科研单位,收买的目的竟是为了毒害人民和同胞。

然而,如此荒诞的论调却非常受反转人士欢迎。

“反转人士因科学知识缺乏,思维逻辑单一且非理性;再加上在社会缺信的大背景下,有影响力的名人,无论是否是专业人士,只要稍微推波助澜就会容易引起舆论热潮、带偏舆论方向。”柳小庆说。

一些文章来源网络,如有涉及版权问题,敬请原作者联系,我们立即处理。


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