单词:auripigmentum
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This is scientific Americans 60 second science, I am Sophie Bushwick. got a minute. Tens of millions of years ago, cephalopods were hiding from their enemies in clouds of ink. And it turns out that cuttlefish today produce ink thats almost identical.
(WA) Human populations near the equator have evolved dark skin over many generations because of exposure to the fierce rays of the Sun. A similar phenomenon has also occurred in other parts of the animal kingdom. The African grass mouse is a good ex
By Scott Stearns White House 18 April 2006 President Bush President Bush is rejecting critics of Defense Secretary Donald Rumsfeld. The president says he has the final say in whether Rumsfeld stays in
Now, heres something you dont see every day: scientists cure color-blind monkeys. According to a report published online in the journal Nature, researchers have used gene therapy to allow color-blind squirrel monkeys to look at their fruit in a whole
Imagine Van Gogh's paintings of yellow sunflowers. Now imagine the flowers brown. Eh, not so good. Sadly, we may someday see what that would look like. Because the bright yellow paints on the canvas are slowly turning muddy. Now, an international tea
Broadcast: May 6, 2003 By Caty Weaver VOICE ONE: I'm Sarah Long with Bob Doughty, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: Today, we talk about some disorders of th
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Today, we will tell about some disorders of the skin, and ways to treat them. (MUSIC) VOICE ONE: Skin. It is the largest organ of the b
The United Nations is launching a $35 million emergency appeal for Madagascar, which is suffering from multiple crises, including cyclones, drought and political instability. An aerial view of a part of Morondava, Madagascar shows floodwaters Thursd
if there is sufficient political will within the organ, the African Union can have significant impact on the continent and can have significant impact in ending conflict and ensuring that human rights are respected. - Amnesty International's Noel Kut
A high-level panel led by former South African President Thabo Mbeki has begun work exploring a possible African-led solution to the crisis in Darfur. The panel's opening session heard strong calls for a deferment of International Criminal Court war
Autumn Leaves Show Their True Colors As days grow shorter and nights grow cooler in Boulder, Colorado, the green leaves of summer have been putting on party colors. On cottonwood trees and aspens, theyre golden yellow coins. On Mapleton Avenue, the m
The incumbent government of Ivory Coast is rejecting the African Union's endorsement of the United Nations certified winner of November's presidential election, saying African leaders are making the situation worse and will be held accountable for a
Experts Cite Underlying Causes for UK Riots London was largely calm Wednesday, but the rioting that engulfed the British capital for the past four nights has spread to other cities, including Manchester and Birmingham. British Prime Minister David Ca
By Noel King Kutum, Sudan 07 March 2007 The African Union mission, charged with monitoring Sudan's Darfur region, shoulders the enormous burden of providing security to some 2.5 million displaced people spread across a remote area the size of France.
It may seem hard to believe that such an unusual looking animal has remained hidden for so long. 世界上存在如此相貌罕见而不为人知的动物,这似乎有点难以置信。 But scientists have only just discovered a new species of elep
At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be
Hilary Duff - Come Clean Come Clean Hilary Duff Let's go back Back to the beginning Back to when the earth, the sun, the stars all aligned 'Cause perfect didn't feel so perfect Trying to fit a square into a circle Was no life I defy Let the rain fall
WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A
Q: What is the saddest truth about life? 生活中令人沮丧的真相是什么? 获得9.5k好评的答案@Dushyant Bhati Half the world's starving; the other half is trying to lose weight. 世界上有一半的人正在挨饿,另一半的人却在