Learning about how we, ourselves, work and how we can handle changes if we go somewhere very different than what we're used to is something that's valuable also on Earth, because our environment changes on Earth, too -- and in terms of health and medicine, we understand better how our own bodies work.
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Because the greatest nation on Earth does not conduct its business in month-to-month increments, or by careening from crisis to crisis.
WHITEHOUSE: President Obama Makes a Statement on the Sequester
Liquid water gets people excited because wherever it is found on earth, life is found too.
This Earth Day, keep in mind that each of us affects everyone else on Earth, because we all share the land, the ocean and especially the air on what is proving to be a pretty small planet.
It is one of the least visited non-hostile nations on earth, because it has been very careful about tourism development: to avoid sprawl and overdevelopment, Bhutan limits visas issued and requires visitors to have fully planned itineraries before arriving, and is one of just two nations with minimum required daily spending for visitors - but it's worth it.
In 1999 the hottest fund family on earth was Janus because, in the recent past, its high-momentum funds had done so well.
Because there is no other nation on earth with the capacity that we have by virtue of our principles, our history, our beliefs, our values, our resources, and our freedom, that can lead.
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I'm running because I continue to be convinced that in a country like ours, the greatest country on Earth, nobody should go bankrupt just because they get sick. (Applause.) I am proud of the work we did to get that health care law passed.
Meantime, because universities have cut back on courses in earth sciences, mineral geology and mine engineering, there is a severe shortage of workers.
Armstrong and Aldrin were operating in a new and alien environment, in untested equipment (because lunar conditions could not be replicated on earth), with few fallback options if something went badly wrong.
Nor will astronauts really be able to talk to anyone, either -- at least not on Earth -- mainly because of a 44-minute communication delay between the Blue and Red planets, "which means you can't have a nice chat with your kids, " said Kanas.
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If we look to the answer as to why, for so many years, we achieved so much, prospered as no other people on Earth, it was because here, in this land, we unleashed the energy and individual genius of man to a greater extent than has ever been done before.
Life on earth today is possible only because the key ratios are exactly right.
"Overestimates of the number of species on Earth are self-defeating because they can make attempts to discover and conserve biodiversity appear to be hopeless, " said Dr Costello.
Budget puritans rebelled last month not for the devilry of it but because they wanted Mr Hastert to explain what on earth his budget strategy was: how does he plan to keep spending down?
For instance, when you do combustion studies, flames on Earth burn in a teardrop fashion because the air comes in from underneath it and feeds the flame, but we can't do that here since the air doesn't know where up is, there's no convection.
WHITEHOUSE: President Obama's call to the International Space Station
For GPS, this is an enormous issue because it turns out that the clocks on the satellites drift by almost 40, 000 nanoseconds per day relative to the clocks on the ground because they are high above the earth's surface (and therefore in a weaker gravitational field) and are moving fast relative to the ground.
But what I don't want to do is for us as a country, or as a party, to shy away from the prospects of international competition, because I think we've got the best workers on Earth, we've got the most innovative products on Earth, and if we are able to compete on an even playing field, nobody can beat us.
WHITEHOUSE: President Obama Takes Questions from Senate Democrats
Practising on the moon makes sense because it is only three days travel from Earth.
No nation on earth is better positioned for the new century than American because of the diversity of our economy and citizens.
He told me that he does what he does because he feels the need to "pay rent" for living on planet earth.
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From the beginning, researchers who have argued the earth is getting hotter because of fossil fuels have said the results on climate will be unpredictable.
In effect, the end of Earth Hour is actually more detrimental to climate mitigation because simultaneously turning on so much equipment all at once creates a surge current that results in a sudden spike in power demand.
Because it's made from corn, it is both inexpensive and easy on the earth to produce.
But I had the luckiest place on earth, the Fifth Avenue of real estate on that boat, because my bunk was in a corner, with a foot and half of space between me and the wall.
Because it was the prevailing view among some of the brightest and most savvy financial minds on earth, Paulson was able to buy insurance on those same bonds extraordinarily cheaply.
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But I ask because I am merely wondering whether we sometimes forget a grim reality of the story of life on Earth - that extinction has always been with us.
And I think the history of the United States, the reason we became an economic superpower is because -- not only perfectly, not always consistently, but better than any other country on Earth -- we were able to give opportunity to everybody.
WHITEHOUSE: President Obama and President Santos Hold a Press Conference | The White House
Space is a good place for gerontological study, because of similarities between what happens to a body in zero gravity and what happens naturally over time on Earth.
Because there are so few women on Wall Street, those that reach the upper ranks only to fall to earth stand out in stark relief.
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