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Category: Biology

Antarctica (Living World)

Antarctica (Living World)

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Language: English

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July 18, 2016 Harvard researchers have developed a new class of battery electrolyte material based on vitamin B2 that could enable large-scale, inexpensive electricity storage for renewable power sources. Commentary and editorials round out the journal’s contents. This is because the strong triple bond between the N atoms in N2 molecules makes it relatively inert, or unreactive, whereas organisms need reactive nitrogen to be able to incorporate it into cells.

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I Am a Living Thing (Introducing Living Things (Library))

I Am a Living Thing (Introducing Living Things (Library))

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Language: English

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Information means here the precise determination of sequence, either of bases in the nucleic acid or of amino acid residues in the protein. (Crick 1958: 152–153, emphasis in original) It is important not to confuse the genetic code and genetic information. I am struck by how they have been dramatically re-shaped by insects, time and weather. People with diabetes have sugar in their urine. In Jonathan Barnes (ed.), The Complete Works of Aristotle (1984), Vol. 2, 1743.

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Understanding Genetics Set

Understanding Genetics Set

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Language: English

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The Department of Commerce’s Advanced Technology Program has awarded a grant for the development of synthetic microbes to convert sugars into plastic. I will live according to Mars time for a full (although approximated) cycle – that would see my ‘day’ gradually separate from Earth bound standards, invert, and then slowly return to synchronicity, an action that should take approximately 37 days to complete.” Julie Sperling has been working on a series of artworks called Fiddling While Rome Burns about the effects of climate change.

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Human Origins

Human Origins

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Language: English

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One of the shortcomings of our education system is that students stop asking the important questions such as: �Why, Why Not, and How�; rather these questions get replaced with mundane one such as: �What, When, and Where.� We should encourage curiosity and creativity, because these are essential ingredients in scientific progress. Watson and Crick's second paper of 1953, which discussed the genetical implications of their recently discovered (Watson and Crick 1953a) double-helical structure of DNA, used both “code” and “information”: …it therefore seems likely that the precise sequence of the bases is the code which carries the genetical information…. (Watson and Crick 1953b: 244, emphasis added) In 1958, Francis Crick used and characterized the concept of information in the context of stating the “central dogma” of molecular biology.

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Prowling the Seas: Exploring the Hidden World of Ocean

Prowling the Seas: Exploring the Hidden World of Ocean

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Language: English

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In order to find the transitional fossils, the area of speciation must be found. CELLS Alive! is a highly visual site, where you will find movies and animated illustrations on cell processes, parasites, penicillin and more. cell.de Online-Service for Cell Biology includes digital media in internet quality and further information for university and high school on cellular and molecular biology. Thus, through his observation, Aristotle saw that the heart was formed first, then he postulated that other parts were formed (also backed-up by observation).

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Cicadas!: Strange and Wonderful

Cicadas!: Strange and Wonderful

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Also they saw this as a contribution to the solution of the problem of preadaptation. If a scientist refers to Homo, all scientists know what he or she means. As a result, there is a symmetry between positive and negative loading directions in the hysteretic curves of the SRCSS columns. HERZOG: And, of course, it is, because it's not friendly just be - imagined to be being sucked into a black hole or even landing on the sun, which looks so benign and beautiful, and there's hundreds of thousands of atomic explosions boiling every second.

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Dawn of Life (Closer Look at)

Dawn of Life (Closer Look at)

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Language: English

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I am quite conscious that my speculations run quite beyond the bounds of true science ." [21] Prior to publishing the book, Darwin wrote in his private notebooks that he was a materialist, which is a type of atheist. [22] Darwin was a weak atheist / agnostic (see: religious views of Charles Darwin). [23] Charles Darwin’s casual mentioning of a ‘creator’ in earlier editions of The Origin of Species appears to have been a merely a ploy to downplay the implications of his materialistic theory. [24] The amount of credit Darwin actually deserves for the theory is disputed. [25] Darwin's theory attempted to explain the origin of the various kinds of plants and animals via the process of natural selection or "survival of the fittest".

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Hurricanes and Typhoons (Natural Disasters)

Hurricanes and Typhoons (Natural Disasters)

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Language: English

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This is where people were turned into numbers. Well-substantiated theories are the foundations of human understanding of nature. C., Aristotle went home to Macedonia to start tutoring King Phillip II’s son, the then 13-year-old Alexander the Great. An important subtext in the dispute between Necessitarians and Regularists concerns the very concepts we need to 'make sense' of the universe. WASHINGTON (AP) — A quality education for all students, especially young children, is something Hillary Clinton has been talking about for decades.

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Home Makers (Amazing Nature)

Home Makers (Amazing Nature)

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Language: English

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Size: 9.65 MB

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Wired.com: Why can smiles mean such different things in different cultures? Topical areas include neuroscience, philosophy, psychology, biology, quantum physics, meditation and altered states, machine consciousness, culture and experiential phenomenology and contemplative approaches. Experimental evidence is used to confirm the answers in science. In the narrower sense, a model is an alternative interpretation of a certain calculus (Braithwaite 1953, Campbell 1920, Nagel 1961, Spector 1965).

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Biology: "A" Level Worked Examples (Key Facts)

Biology: "A" Level Worked Examples (Key Facts)

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Language: English

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What models are is, of course, an interesting question in its own right, but, as briefly indicated in the last section, it has also important implications for semantics and, as we will see below, for epistemology. First consider the recent study of the biological basis of compassion. Within turf and pastures, true armyworms inhabit the thatch layer. And my friend, Frank Wilchek(ph), asks - well, he wants to know if they do physics the same way.

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