2012年7月8日 星期日

紐約時報 朝日新聞 科學版一樣本


朝日新聞デジタル
不妊治療、早産・低体重のリスク高め 妊婦24万人調査購読者は全文読めます
 人工授精や体外受精など不妊治療を受けて出産した場合、胎盤の位置の異常や早産、赤ちゃんの低体重などの……… (19:37)[記事へ]
皮膚の免疫、毛包が制御 アトピー・脱毛症治療に期待購読者は全文読めます
 外敵から体を守る皮膚の免疫細胞の働きをコントロールする司令塔が、毛穴の奥の「毛包」にあることを、慶……… (15:05)[記事へ]
ホーキング博士「ヒッグス氏にノーベル賞を」
 車いすの英国人宇宙物理学者スティーブン・ホーキング博士は4日、万物に質量(重さ)をもたらしたとされ……… (11:33)[記事へ] 

南方古猿的食譜

儘管它們的骨骼既能爬樹也適應直立行走,但這些原人卻選擇去附近的林地覓食。科學家們驚訝地發現,這些類人猿似乎只吃樹葉、水果、木頭和樹皮。
  • 科學家稱發現了神秘的玻色子粒子

    希格斯玻色子奠定了現代物理學的基礎,但在過去的40年里,科學家們一直未能確認它的存在。現在,他們認為可能發現了它。
  • 分析

    Google做硬件:賽馬還是牧馬?

    硬件之於Google的意義,不過在於通過Nexus制定硬件標準、驅使硬件製造商儘快跟上並提供產品支持,最終實現Google整合數據的服務通過這些產品滲入到普通人的生活。
  • 地球也害空調病

    中國生產了全球超過70%的家用空調,供國內消費和出口。最常用的製冷劑是含氫氯氟烴-22。製冷氣體反射地球輻射,將引發更嚴重的溫室效應。
  • 中國發現世界已知最古陶器碎片

    江西省仙人洞出土的陶器碎片被確認已有2萬年曆史,比在東亞和其它各地發現的古陶器早2000到3000年。
  • 新品測評

    MacBook離完美只差一步

    最新一代蘋果筆記本超快,超薄,超輕,電池長壽,存儲海量。靚麗的屏幕,舒適的鍵盤,完美的聲效,蘋果距離完美只差一步。
  • 科技

    孩子父親是誰?

    美國30歲以下孕婦中,超過一半屬未婚先育。現在,血液檢查可以在妊娠第八周或九周鑒定出誰是孩子的父親,且不會引起流產。
  • RIM推遲發佈新款黑莓

    幾個月來,一些金融分析師曾私下對加拿大生產黑莓手機的RIM公司,是否能夠生存下去,甚至能否為其資產找到買家提出過懷疑。
  • 小米的「市夢率」

    一家手機廠商,一家僅2歲的創業公司,一個「智能手機+移動互聯網」的未成熟商業模式,憑什麼值40億美元?
  • 蘋果經濟

    iPhone為何中國製造?

    奧巴馬與硅谷名人共進晚餐。輪到喬布斯說話時,奧巴馬用自己的問題打斷了他:要在美國生產iPhone的話,需要滿足什麼條件?
  • 蘋果和谷歌的地圖之爭

    蘋果進軍地圖服務並非意料之舉,但問題是它能否開發出和谷歌地圖一樣好,或者更好的產品呢?
  • HIV試驗疫苗增加感染可能

    一項最新研究證實,早前被迫終止試驗的默克公司研發的艾滋疫苗,增大而不是減小了一些男性感染艾滋病病毒的可能性。但新研究依然沒有找到這一現象的原因。
  • Facebook 時代的親情裂痕之痛

    在網絡時代,社交媒體諸如 Facebook 和 Twitter 會加劇家庭矛盾的痛苦。它們打開了窺視他人私生活的窗口;與此同時,也喚醒人對失去的親情的苦澀回憶。
  • 健康

    糖尿病與健忘症

    有越來越多證據表明糖尿病併發症可能會擴大到腦部,造成大腦記憶力、注意力和其他認知功能的下降。一項新研究為此提供了更多依據。
  • 時尚業

    亞馬遜進軍高端時尚界

    在重創出版行業,讓電子產品大幅降價,並讓玩具行業感覺到恐慌之後,亞馬遜決定進軍高端服飾行業,以其典型的方式:不遺餘力,做大做強。
  • 基因測序廉價化有助醫學進步

    很多生物製藥公司正在紛紛降低人類基因測序的成本,這將給治療癌症及其他重症帶來新的希望和新的方法。廉價的基因測序技術將會帶來一個全新的個性化醫療時代。
  • Index Ventures 新基金募資逾4億美元

    Index以前曾成功投資一系列歐洲創業公司,包括Skype和網絡廣播電台 last.fm。儘管目前歐洲正在經歷金融危機,它卻認為危機依然為企業家帶來了機遇。
  • 數萬年前的洞穴壁畫

    最新研究顯示,西班牙西北部洞穴壁畫的年代比此前認為的更早,有的甚至已有4萬年曆史。新發現提出了尼安德特人可能是這些繪畫作者的假說。
  • 智能手機的職場規範

    在開會時,你喜歡在平板電腦、智能手機或筆記本電腦上做筆記。那是可以接受的嗎?在辦公室里查看便攜設備里的私人郵件或短訊有什麼害處?

Dr. Lukas Wartman, a leukemia patient in remission, being examined by his doctor, John DiPersio, in January in St. Louis.
Dilip Vishwanat for The New York Times
Dr. Lukas Wartman, a leukemia patient in remission, being examined by his doctor, John DiPersio, in January in St. Louis.
A novel method known as whole genome sequencing focuses on genes that drive a cancer, not the tissues or organ where it originates.
Caroline Delmotte for The New York Times
"Whether it's Joan of Arc or a hand the police bring in from the Seine, it's equally important." Dr. Philippe Charlier
The Saturday Profile

After Liberté and Égalité, It’s Autopsie

Philippe Charlier, a physician and anthropologist, is known for his forensic research into some of France’s most famous dead.

Physicists Find Elusive Particle Seen as Key to Universe

Researchers said they had discovered what looked for all the world like the Higgs boson, a long-sought particle that could lead to a new understanding of how the universe began.
The Lede Blog

What in the World Is a Higgs Boson?

CERN's Large Hadron Collider, where physicists recently found what may be the long-sought Higgs boson, has had a long run in the cultural limelight.
Scientist at Work Blog

In Pristine Reefs, a Vast Library of Species

Scientists search for biofluorescence, and a better understanding of its biological function, in a part of the Solomon Islands nicknamed the “Amazon of the Seas.”
Observatory

Coral Rebounded From Hostile Climate Millenniums Ago, Study Suggests

Researchers who took core samples from reefs off the coast of Panama found that the reefs effectively experienced a growth hiatus during a period of climatic extremes.
Science Times: July 3, 2012

Wood Takes a Thrilling Turn

HIGH MARKS  The Voyage, at Holiday World in Indiana, is the world’s second-longest wooden coaster.
Fred R. Conrad/The New York Times
HIGH MARKS The Voyage, at Holiday World in Indiana, is the world’s second-longest wooden coaster.
Wooden roller coasters can have tighter bends and twists than steel ones without generating excessive air time for riders.

Growing Ship Traffic Threatens Blue Whales

A whale population near Sri Lanka is under pressure from commercial shipping and a boom in whale-watching.
A Conversation With Mildred Dresselhaus

Carbon Catalyst for Half a Century

Nicknamed the Queen of Carbon, Mildred Spiewak Dresselhaus studies the fundamental properties of carbon, as insulator one moment, superconductor the next.

A Giant Tortoise’s Death Gives Extinction a Face

The world took notice when Lonesome George died, marking the end of his subspecies. But for researchers and workers in the Galápagos Islands, his death also takes a personal tone.

Grandchildren Arrive. A Medusa’s Head of Wires Soon Follows.

“I get bamboozled and frazzled by my grandchildren when they visit: Invariably, they have messed up my computer, my iPad, my iPhone and my iPod.”
Health News

Rapid H.I.V. Home Test Wins Federal Approval

The OraQuick test, which uses a mouth swab and gives results in 20 to 40 minutes, is the first method for Americans to learn in the privacy of their own homes whether they are infected.

Killed by Thousands, Varmint Will Never Quit

Over the past decade, a federal eradication program has come close to eliminating the large rodents in the Delmarva Peninsula, but they have proved to be a resilient adversary.
From Sunday Review
Gray Matter

Beyond the Blink

E-mail, social media and the 24-hour news cycle are informational amphetamines that lead us to make mistaken split-second decisions.
Science Columns
Q & A

Second Time Around

Both chickenpox (formally varicella) and shingles (zoster) are caused by the varicella-zoster virus and affect the same set of nerves.
Observatory

Namibian ‘Fairy Circles,’ From Start to Finish

A study based on satellite images of African grasslands describes the circles’ life span, but the reasons for them are still unknown.
Observatory

Hardly a Speck of a Fly, but Able to Decapitate

The recently discovered fly, Euryplatea nanaknihali, is less than two-hundredths of an inch long — one-fifteenth the size of a housefly and one-fifth that of fruit fly.
Observatory

Remnants of an Ancient Kitchen Are Found in China

Pottery fragments found in a cave are 2,000 to 3,000 years older than examples found elsewhere, and probably came from simple concave vessels used for cooking food, archaeologists say.
Podcast: Science Times
Science Times Podcast
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This Week: The physics of roller coasters; protecting blue whales; and growing up hungry.
 
Health Columns
Personal Health

How to Make Optimism Work for You

A selection from the hundreds of responses to a recent column on living life as a glass half full.
Really?

The Claim: Drinking Coffee Lowers Colon Cancer Risk

Whether coffee and tea offer protection against colon cancer has been at the heart of a number of studies that have produced conflicting data.
Phys Ed

What Runners Can Learn From Cheetahs

Humans have attained a top speed of less than 28 miles per hour, while cheetahs can run more than twice as fast. Scientists set out to discover what is it about the cheetah that allows it to set such a blazing pace?
Opinion
Dot Earth Blog

'Blame-ologists' and the Colorado Fires

A free market defender, dislocated by Colorado fires, uses the tactics she criticizes in others in commenting on the disaster.
Wordplay Blog

Numberplay: Fat Coin

How thick does a coin need to be to land heads one third of the time?

Letters

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