Warter Su

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NOWnews 今日新聞

月球或存最古老的“水”:追溯到数十亿年前

The spectacular swirling arms and central bar of the Sculptor galaxy are revealed in this image from NASA's Spitzer Space Telescope. Wallpaper download options available here: http://oak.ctx.ly/r/b4eu Also known as NGC 253, the Sculptor galaxy is part of a cluster of galaxies visible to observers in the Southern hemisphere.

This wide-field view of the Orion Nebula (Messier 42), lying about 1350 light-years from Earth, was taken with the VISTA infrared survey telescope at ESO’s Paranal Observatory in Chile. See more amazing images of the Orion Nebula: http://oak.ctx.ly/r/b5mk

生物圈能阻止全球变暖吗?

“追星族”实拍神秘星空壮美令人窒息

二十年來臺灣生物醫學研究的省思

美如寶石!肉眼看不見的金星凌日景象

<b>讚好此文:</b><p>九月 4, 2013 •攝影文化 •<p>一般我們抬頭望星星,都只不過是一點光,但透過特別的器材,放大了之後總會有驚喜。不過有些美麗的畫面,是要用到特別的處理技術才能看見。在去年 6 月發生了一個罕見的天文現象「金星凌日」,而美國太空總署近日就公開了一張當時拍攝的照片,照片中的太陽美得像一顆寶石 …

AI,我们创造出来的异类智能

吃綠色花椰菜也能預防關節炎

圖片來源:stock.xchng<p>作者: Casual<p>綠色花椰菜含有一種化合物可能有助於我們預防或是延緩最常見的關節炎。<p>退化係關節炎是一種因為關節的軟骨與骨頭損壞引起造成的疾病。手、腳、脊椎、髖關節與膝蓋是最常受到影響的部位。主要的症狀是疼痛還有僵硬。<p>有項新試驗在老鼠上發現,綠色花椰菜含有的蘿蔔硫素( …

為什麼外星人音訊全無?

超级耀斑摧毁技术文明?

The northern lights dance in stunning hues as they light up the night sky over Oulunsalo, Finland in this captivating night sky photo by photographer Thomas Kast Salamapaja, taken on August 31. http://www.space.com/22689-northern-lights-over-finland-photo.html?cmpid=514630

Space fans, rejoice! NASA is extending its social media reach by launching a new Instagram account, giving people the chance to share out-of-this-world photos on the go, according to agency officials. http://oak.ctx.ly/r/c0z8 This image taken July 20, 1969 from NASA's Apollo 11 lunar landing mission shows the Earth rising over the limb of the moon, and was among NASA's first posts on the social photo-sharing service Instagram.

【2013搞笑诺奖】物理学奖:“铁掌水上飘”并非浪得虚名?

本文作者:Steed<p>想成为功夫片里的大侠,踩着水面飞奔吗?你真的可以做到——如果你在月球上的话!图片来源:miramax.com<p>2013年的搞笑诺贝尔奖(Ig Nobel)今天公布,其中物理学奖颁给了意大利科学家阿尔伯托·米内蒂(Alberto Minetti)、尤里·伊万年科(Yuri Ivanenko)、吉尼那·卡佩里尼(Germana Cappellini)、纳迪亚·多米尼西(Nadia Dominici)和弗朗西斯科·拉夸尼蒂(Francesco Lacquaniti),因为他们发现,一部分人有能力在池塘的水面上飞奔而不沉下去——前提是,如果这些人和那个池塘在月球上的话。<p>在水面上飞奔是 …

《BBC知識》太陽熱能發電廠是怎麼運作的?

Apollo 17 lifted off from Cape Canaveral on Dec. 7, 1972, with Eugene Cernan, Ron Evans and Harrison "Jack" Schmitt on board. Evans spent more time in lunar orbit than anyone else alive, according to NASA. While his crewmates worked on the surface, Evans observed geological features and took pictures from orbit. Learn all about Apollo 17 Command Module Pilot Ron Evans: http://oak.ctx.ly/r/c8o6 This image from Apollo 17 was the first view of the south polar ice cap. Almost the entire coastline of Africa is visible, along with the Arabian Peninsula.

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人为什么要睡觉?

The sun's insides churn much more quickly than previously thought, a new study shows, a finding expected to improve predictions of solar storms that hurl charged particles at Earth. http://oak.ctx.ly/r/coqj The sun's meridional circulation is shown in this artist's conception based on research at Stanford's Hansen Experimental Physics Laboratory.

「師傅叫我千萬別吃」...可是我很想吃!

A new theory about the mysterious inner workings of black holes will be detailed during a webcast today by the Kavli Foundation, starting at 3pm EDT (1900 GMT). http://oak.ctx.ly/r/d3k4 Theoretical physicists Raphael Bousso, Juan Maldacena, Joseph Polchinski and Leonard Susskind will take part in the event, and you can use the hashtag #KavliLive to submit questions on Twitter.

有機食品的健康價值尚存爭議

credit: CC by thebittenword@flickr<p>媒體經常報導有機食品的優點,許多民眾也漸漸地認同有機食品的好處,但是對於有機食品的整體健康價值真的是明確的嗎?這恐是仍有爭議。<p>我們一般認為,有機食品的優點來自於更有營養、以及比較沒有遭受到污染,特別是來自於農藥。在土地廣大的國外農業 …

Stargazer Jason Brownlee sent in this beautiful photo of the Milky Way taken on Sept. 9, 2013, from Broken Top Mountain in the central Oregon Cascade Mountains. See more amazing night sky photos from September 2013: http://oak.ctx.ly/r/debb