It is just how our brain works, thanks to millions of years of evolution.
Millions of years of evolution have honed the skeleton into the perfect shape for survival.
Icebergs originate from ice sheets, which form on land from millions of years of snowfall.
Nature has developed antibiotics the same way it develops everything: through millions of years of trial and error.
Amazingly, the two genes were almost exactly the same--meaning they had been conserved through millions of years of evolution.
Sharks predate dinosaurs, and millions of years of evolution have positioned them in a critical and vital role as an apex predator.
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She conjures millions of years of human prehistory: small groups of hunter-gatherers wandering the savanna, and then congregating a few times a year at this or that watering hole.
Millions of years of natural selection and specialization have led to the instinctual formation of herds by thousands of species over unfathomable stretches of time and on every single continent on earth.
Millions of years of evolution gave us a much springier way of running, which begins with our coming down on the front of our foot, a little like when you run in place.
Rather than rationally following people who earn our respect and advise us carefully, human beings are programmed by millions of years of evolution to respond to hidden cues that determine whose leadership they follow.
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In fact, the genome resembles nothing so much as a hodgepodge of borrowed, copied, mutated, and discarded sequences and commands that has been cobbled together by millions of years of trial and error against the relentless test of survival.
True, we have a lot more choices (often aided by technology) about precisely how we do these things in the modern world but we are still built by a hundred thousand years or so of our own species, tens of millions of years of mammalian evolution, into ending up with slightly different brains and slightly different interests to go along with our very different gonads.
These are carbon concentrations not outside of the bounds of 800, 000 years but outside of the bounds of millions of years.
Plants and animals that have survived and thrived in the brutal conditions of Antarctica for millions of years have had to make plenty of adjustments.
Again, a few simple changes requiring proof of real safety, such as shooting lessons before buying a weapon just makes common sense, not only to prevent irresponsible gun distribution, but to ensure that future generations of gun owners obey the traditions of the hundreds of years of millions of thoughtful, smart gun owners in America.
Moffett set out years ago with a carefully constructed theory regarding deposition of sands in the Gulf of Mexico over many millions of years.
This study suggests that the step of speech may have been built on mental attributes that were acquired millions of years ago when the ancestors of apes and men began to wave meaningfully at each other.
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Vastly underutilized, biogas is essentially natural gas that is produced in a matter of millions of seconds rather than millions of years.
It's a mysterious landscape of cliffs and valleys sculpted over millions of years by advancing and retreating seas and the jostling of tectonic plates.
That is because for tens of millions of years the greatest collision of all between the earth's plates has been happening there.
To plan for anything less than 5% growth is to condemn millions of people to years of unemployment and despair.
Drillers have learned to drill horizontally into long, thin seams of shale and other rock that holds oil, instead of searching for rare underground pools of hydrocarbons that have accumulated over millions of years.
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Its nastiest toxin is actually part of a virus which settled in it millions of years ago, and Dr Heidelberg and his colleagues speculate that most of the second chromosome was also picked up from somewhere else along Vibrio's evolutionary way.
This remoteness also means that these bacteria have not been disturbed, and it is possible to collect samples from areas that have been undisturbed by any kind of activity for millions of years.
Fourteen years later, and after investing hundreds of millions of dollars and enduring years of criticism from skeptics in the industry, Netsuite now finds itself as one of the handful of business application providers who are offering a full suite of mature and time-tested, cloud-based applications to the SMB market.
"These are ecosystems that have evolved over millions and millions of years, " said Knights.
However, common sense would dictate that the possibility certainly exists through the man-made release of carbon sequestered for millions of years.
Opossums are very slow and stupid animals but have survived and thrived for hundreds of millions of years, longer than the majority of macrofaunal species.
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Thus, in an age when we have come close to destroying ourselves several times over, is it reasonable to expect that extraterrestrial civilizations would persist over lifetimes of hundreds of thousands if not millions of years?
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What, after all, is the replacement cost of a packet of dense, easily transportable energy that formed over hundreds of millions of years?
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