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Volcanism is sometimes like food poisoning, where the Earth spews forth unstable material. New research suggests that a significant pulse of volatile carbon was released from the Earth’s mantle around...
People often begin stories in conversation by referring to person, time, and place. We study story beginnings in three societies and find place reference is recurrently used to (i) set the stage, fore...
Rice University chemists have produced a catalyst based on laser-induced graphene that splits water into hydrogen on one side and oxygen on the other side. They said the inexpensive material may be a ...
An unusually cold winter in the U.S. in 2014 took a toll on the green anole lizard, a tree-dwelling creature common to the southeastern United States. A new study offers a rare view of natural selecti...
Hundreds of thousands of years ago, the ancestors of modern humans diverged from an archaic lineage that gave rise to Neanderthals and Denisovans. Yet the evolutionary relationships between these grou...
We read with great interest the article by Olsson et al. (1), which examined the association of vitamin D with dementia risk in a cohort of Swedish men. This study measured plasma 25-hydroxyvitamin D ...
A range of substances that are released into the environment, foodstuffs and drinking water as a result of human activity were originally considered relatively harmless, and it was only later that the...
The sheer multitude of criteria of empirical significance has been taken as evidence that the pre-analytic notion being explicated is too vague to be useful. I show instead that a significant number o...
There is wide acceptance that the best evidence for cause-andeffect relations in health studies is provided by randomized, controlled, preferably blinded clinical experiments. However, the conduct ...
Phosphine is one of the newest materials to be named a superconductor, a material through which electricity can flow with zero resistance.In 2015, scientists reported that they had liquefied the chemi...
《义务教育英语课程标准(2011年版)》中提出了“强调学习过程,重视语言学习的实践性和应用性”的课程基本理念。鼓励学生在教师的指导下,通过体验、实践、参与、探究和合作等方式,发现语言规律,逐步掌握语言知识和技能,不断调整情感态度,形成有效的学习策略,发展自主学习能力。
This conference will bring writers of fiction in English (Irish, British, American, Canadian, Australian, Caribbean, South-African, Indian, Sri Lankan, Indonesian, etc.) and writers who have had (or w...
Two studies investigated whether speaking mode influences the way German speakers mark the information status of discourse referents in nuclear position. In Study 1, speakers produced narration...
The term “rational use,” as applied to fishing rights in Antarctic waters, has been misused by certain countries, an analysis by a team of researchers has concluded. Its work, which comes ahead of the...
This study addresses the differences between literature in children's trade books and the literature in commercial elementary language arts reading programs used in Canada. Although the nature of the ...

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