(十七)科普时间 —- 作者:sleepwhile

 @安姬Angie: 脑中有科学,心中有道义。我收到的最棒的儿童节礼物:@方舟子 的科学书 神秘现象不神秘和大象为什么不长尾巴,我的睡前故事就是它们了。

 

方舟子 - 答韩寒《正常文章一篇》:http://blog.sina.com.cn/s/blog_474068790102dwyj.html

方舟子 - 一种寄生虫引起的争端:http://blog.sina.com.cn/s/blog_474068790102dxnc.html

方舟子 - 身高的烦恼:http://blog.sina.com.cn/s/blog_474068790102e014.html

   

男人为什么容易掉头发?

事件背景:

韩寒在最初回应麦田、方舟子的博文《正常文章一篇》攻击方舟子秃顶,方舟子在回应博文《答韩寒<正常文章一篇>》中除了回答韩寒的反驳,还平静地科普了男人容易掉头发的科学原理。

 

韩寒《正常文章一篇》摘录:

方舟子先生,你为了查资料进行科普和打假,你电脑前一坐就可能到凌晨三四点,但我要是一口咬定你有个利益团队,并假装说好像听圈子里的朋友说过,又说好似曾经和你辞退过的枪手吃过一次饭,那你这辈子都说不清楚,请问孤独坐在电脑前的你,你为了你的事业45岁头发就秃了,我给你这么来几句,你他妈的会不会胸闷。但我不会这么做,因为这是最下流的招数,利用作家职业无法自证的特殊性,披着质疑的外衣,干着诽谤的勾当。作为半个同行,你推己及人,我他妈的无数次一个一个字敲到凌晨,敲了十三年,我他妈就不胸闷吗。

 

方舟子 《答韩寒<正常文章一篇>》摘录:

韩寒把“45岁头发就秃了”当成生理缺陷,以此攻击我,然后网上就有一大批他的粉丝对着我“秃子”“秃子”地乱骂,好像打中了我的软肋似的。我锤子都挨过了,还会怕这种人身攻击?最后我就顺便给韩寒科普一下:男性型脱发不是病,而是遗传性状,甚至可能还有生存优势(参见我以前写的《男人为什么容易掉头发?》)。你到四、五十岁时会不会秃顶,取决于基因,和你是否为了事业经常工作到凌晨没有关系。如果你没有脱发基因,即使在准备赛车的同时还在熬夜写文章也不用担心早早秃顶。如果有脱发基因,即使天天早睡也还会秃顶。有没有该基因,你再过二十年就知道了。我像你这么大的时候头发不比你少。但是多数男人会有秃顶倾向的。你和你的粉丝如此歧视秃顶,但愿你们没有携带着脱发基因。

 

补充资料(编者附):

男人为什么容易掉头发?(方舟子)

 

 

一种寄生虫引起的争端

事件背景:

韩寒在1999年提交首届新概念作文大赛的文章之一《求医》据称是根据他当时在学校被传染上疥疮,到医院看病的经历写成,但是许多医生看了这篇文章之后,一致认为根据文中对疾病症状的描述,写的不是疥疮。疥疮是由于疥虫寄生在人体引起的,疥虫钻入皮肤,在皮肤中间穿行打隧道、产卵,引起过敏反应,导致皮疹、瘙痒。疥疮的瘙痒局限于手、腕、腹部、阴部等特定部位,痒处会有皮损,包括皮疹、小水疱或结痂。所以要指出哪里痒,是很容易的,而不是像文中所述无法向医生指出痒在何处,而一痒起来又是全身无处不痒。《求医》描述的是其他因素(例如肝炎)引起的皮肤瘙痒。

 

方舟子《一种寄生虫引起的争端》摘录:

雷第将博诺莫的信印成小册子发表,立即引起了争议。主要的反对者是教皇的御医兰西西。兰西西虽然承认疥虫的存在,但是不相信它是疥疮的病因,而是引经据典地指出体液因素才是疥疮的病因。既然教皇的御医开了金口,而且还引用基督教《圣经》作为依据(《旧约·利未记》曾提到疥疮),为了避免像布鲁诺、伽利略那样受到宗教迫害,博诺莫就没有争论下去。23年后,到了1710年,博诺莫和雷第都已去世,塞斯托尼在一封信中才重提对疥虫的发现,但是把这个发现归于自己的名下,没有提及博诺莫,以致有人怀疑博诺莫其实是塞斯托尼为了免受宗教迫害用的化名。

从那以后,这个发现就没人提及,被人遗忘。医生们仍然相信疥疮是体液因素导致的。直到1834,一名叫里努奇的学生重新发现了疥虫是疥疮的病因,才引起了医学界对此的兴趣。1844年,希伯拉通过在自己身上做实验,详细地阐明了疥疮的病因、症状和治疗方法,终结了关于疥疮的争论。希伯拉还赞扬了博诺莫和塞斯托尼的开创性研究,他们的名字因此载入史册。博诺莫被认为是人类医学史上首次确定一种疾病的正确病因的第一人,此时距离他的伟大发现已经过了150多年。要改变人们的传统思想是很难的。如此简单明了的一个科学发现尚且要过了这么长的时间才能获得人们的认可,何况其他更为复杂难解的争端。

 

 

身高的烦恼

事件背景:

韩寒在采访中自称身高1.73厘米,自吹自擂地夸耀,嘲笑郭敬明。方舟子质疑韩寒身高造假,他通过对韩寒照片的分析,算出韩寒穿运动鞋的高度是164厘米左右。方舟子说到:“身高本无意义,但韩寒对着镜头声称他的真实身高1.73米,讨论他的身高就很有意义,看看此人有多假。”许多网友也激发了求真精神,纷纷根据韩寒的照片用各种数学方法测得韩寒的身高,与方舟子的结论一致。还有网友奔赴松江二中实地测量照片中参照物的高度,印证了方舟子的质疑。

 

方舟子《身高的烦恼》摘录:

1915年,美国导演格里菲斯拍摄了世界电影史上第一部史诗性巨片《一个国家的诞生》。这是一部反映美国南北战争的电影。为了真实地重现历史,格里菲斯按原尺寸重建了南北战争时期的历史建筑。他甚至想让演员们直接穿当时遗留下来的服装,结果发现事隔五十多年后,美国人变得高大健壮而穿不下父辈们的衣服,只好依样新做。

在19世纪中叶,美国人是世界上平均身高最高的人,但是当时美国军人(白种男人)的平均身高也只有1.71米。而现在,美国白种男人的平均身高达到了1.79米,几乎长高了10厘米。世界各国也都出现了类似的身高增长趋势。在历史上,日本人以矮小著称,以致被蔑称为“倭”。看第二次世界大战太平洋战争遗留下来的照片,日军俘虏的个子和美国士兵相比,简直就是未成年人。但是现在17岁日本男人的平均身高已达到了1.71米,甚至超过了中国男人的平均身高。根据2002年的调查,17岁中国城市男人的平均身高是1.70米,农村男人的平均身高是1.66米,而这,又分别比1992年的调查高了大约3厘米。

 

补充资料(编者附):

你猜我猜,算算韩2长身高——长微博集锦

网友@白羊座的大毛头 在松江二中做实地测量

网友透视原理证韩寒不足1米7

 
 

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