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iBooks is an amazing way to download and read books. iBooks includes the iBookstore, where you can download the latest bestselling books or your favorite classics - day or night. Browse your library on a beautiful bookshelf, tap a book to open it, flip through pages with a swipe or a tap, and bookmark or add notes to your favorite passages.

"Based on data from a randomized sample of universities and online volunteers who completed a survey, men and women who pursue STEM degrees tend to become interested in science in elementary school. When asked which people and experiences helped to spark their interest, women were more likely than men to select a teacher, a class at school, solving math problems and spending time outdoors, whereas men were more influenced by tinkering, building and reading. As men and women enter college, passion for the field far outweighs all other influences as the main reason for their persistence"

"Die Geschichte, die aus Överkalix zu erzählen ist, hat mit Nahrung zu tun, genauer gesagt, mit einem zu viel oder zu wenig an Nahrung. Was wir essen, ist Privatsache und kommt nur uns selbst zu Gute. Denken wir zumindest. Wer sich ausreichend und gesund ernährt oder ernähren kann, profitiert davon. Wer Hunger leiden muss oder sich überfrisst, wer zuviel Fett oder Süßes zu sich nimmt, wer säuft und raucht, hat die gesundheitlichen Folgen selbst zu tragen. Die einzige Ausnahme sind die schwangeren und stillenden Mütter. Sie sind nicht nur für sich, sondern auch für ihre Kinder verantwortlich. Was aber wäre, wenn Ähnliches für alle Menschen gelten würde, ob Mann oder Frau, wenn der Glauben, Qualität und Quantität unserer Nahrung habe nur Konsequenzen für uns selbst, auf Sand gebaut wäre, wenn das, was wir zu uns nehmen, nicht nur Folgen für uns und unsere Kinder, sondern sogar für unsere Enkel hätte? Mit welchem Gefühl würden wir dann die Pommes in die Majonäse tunken? Normalerweise hatten Menschen, die vor hundert oder hundertfünfzig Jahren im äußersten Norden Europas das Licht der Welt erblickten, kaum Chancen in die Historie einzugehen. Dem Jahrgang 1905 ist dies jedoch in gewisser Weise gelungen, denn die Hälfte der 199 Menschen, die in diesem Jahr in der Gemeinde Överkalix geboren wurden, gelangten posthum in eine Zufallsstichprobe der Sozialmediziner Lars Olov Bygren und Gunnar Kaati, die Erstaunliches zu Tage beförderte und weit über Norrbotten hinaus Aufmerksamkeit erregte."

Quatschen wissenschaftlich erklärt Human beings are social animals. We spend large portions of our waking hours communicating with others, and the possibilities for conversation are seemingly endless

Registry Recycler helps optimize your PC performance, on your own. It deals with a sensitive component of operating system, called Windows Registry. Each activity carried out on your computer is directed through this registry database

"Wild mit den Händen gestikulierend steht die 27-jährige Biologin im bunten Kleid vor einem bis auf den letzten Platz besetzten Saal voller Wissenschaftler und redet über ihr Lieblingsthema: Social Media. "Wie viele von euch hier twittern?" Einige Hände gehen zaghaft hoch. "Das sind zu wenige."

"The informatics portal io-port.net offers fast and convenient access to about more than two million publications in informatics and related subject areas from all over the world. All information, which up to then had been stored in various data sources, has been consolidated and is now available from one source. All steps required for information retrieval are available via an easy-to-use, powerful interface."

The seminar begins with an examination of the fundamental vocabulary and concepts related to metrology. Topics include: accuracy, precision, calibration, and "uncertainty ratios". Several of the standard methods for analyzing measurement variation are then described and explained, as derived from AIAG's Measurement System Analysis reference book. The methods include: Gage R&R (ANOVA method, for 3 gages, 3 persons, 3 replicates, and 10 parts), Gage Correlation (for 3 gages), Gage Linearity, and Gage Bias. The seminar ends with an explanation of how to combine all relevant uncertainty information into an "Uncertainty Budget" that helps determine the appropriate width of QC specification intervals (i.e., "guard-banded specifications"). Spreadsheets are used to demonstrate how to perform the methods described during the seminar.

Jaincolab made 9V battery holder with wire leads, with switch and cover. battery holder with wire leads, with switch and cover.

Jaincolab is one of the leading manufacturers and importers of best quality AA Battery Holder with wires and clips.

A new interactive database, including a timeline showing how human fetuses develop, displays scientific data about controversial chemicals in a graphic way

Just days after NASA released the first cosmic dreamscapes taken by the newly refurbished Hubble Space Telescope three teams of astronomers have used the rejuvenated observatory to find what appears to be a bounty of the most distant galaxies known.

In a recent study, researchers show that a gene called DMRT1 found only on the Z chromosome partly explains bird "maleness". When a ZZ embryo gets less DMRT1, the embryos start to take on some female traits. These studies show us that bird gender can be partly explained by genetics. Not having enough of a single gene can keep a bird from becoming a bona fide male bird. But this doesn't rule out the possibility of a female gene being on the W chromosome. Scientists just haven't yet found one.

Extraterrestrial source confirmed for comet's amino acids

A celestial audit suggests that astronomers' inventory of luminous bodies may soon be complete (reprint of 3/02 article)

Early results of cost analysis by the Augustine human spaceflight panel have found no good options for continuing human exploration of space within the constraints set by the Obama administration's fiscal 2010 budget plan for NASA.

How to tap the wisdom of the crowd in your head