Feb 28th 1953 in Britain, scientists say they found the double helix structure of DNA, the molecule that contains the human genes.
1953年2月28日在英国，科学家称他们发现了DNA的双螺旋结构，DNA分子中包含基因|pN~x_mEOgf。
Years later, Francis Crick describes this discovery that he and fellow scientist James Watson made.
数年后，弗朗西斯·克里克对这一发现进行了描述，该发现是由克里克和另外一名科学家詹姆斯·沃森共同实现~@TnFVdm]oFQu]nA。
Biological systems are the result of evolution and they produce very complicated things.
生物系统源自进化，它所呈现的事物非常复杂rp|[j%D1p^eTy+7Y~1。
Now the reason that DNA looks so beautiful and simple is that it goes right back to near the origins of life.
DNA结构美丽简单，其原因是它回归到了生命的最初阶段G*pF7RcbPV]Ewmic6V。

1993, start of an arms standoff at the Branch Davidian compound in Waco, Texas.
1993年在德州韦科，大卫教派总部发生武器对峙事件X^@bMszM=^wx@6q!@。
Federal agents try to arrest religious leader David Koresh for stock piling guns and explosives.
联邦探员试图逮捕宗教领袖大卫·考雷什，原因是他囤积枪支和炸药8USVlN6_9O。
That sparks a shoot-out which kills four agents and six of Koresh's Davidian followers.
此举引发枪战，造成四名探员死亡，六名考雷什追随者死亡J!8&4=R~%]t..1。
The standoff ends 51 days later when the compound burns to the ground, killing nearly 80 people.
此次对峙事件于51天后结束，总部被烧为平地，近80人遇难3UTeIQ_xM!i。
1986, Sweden's Prime Minister Olof Palme is shot to death in central Stockholm. His murder remains unsolved.
1986年，瑞典首相帕尔梅在斯德哥尔摩市中心遭枪杀，尚不知凶手身份EJv00xBuqy#IulAS0。
And 1983, All is quiet on New Year's Day. Rock group U2 releases its War album, among the tracks New Year's Day and Sunday Bloody Sunday.
1983年，新年这一天安安静静，摇滚乐团U2发布新专辑《战争》，歌曲包括《新年》和《血腥星期天》tfS1uxtG*w_0d*m949。
Today in history, Feb 28th, Sandy Kozel, the Associated Press.
以上是2月28日《历史上的今天》，美联社珊迪·柯泽尔为您播报!T3&j@!Z,Kkx0。