"These are ecosystems that have evolved over millions and millions of years, " said Knights.
Sharks existed before there were dinosaurs and they pre-date humans by millions of years.
Over millions of years, no bacteria are known to have developed resistance to this mechanism.
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.
"That force, applied over millions of years, can literally move mountains of rock around, " Beshore said.
Icebergs originate from ice sheets, which form on land from millions of years of snowfall.
"We would anticipate that it could easily be thousands to millions of years, " he told reporters.
There are curiously shaped rocks, formed over millions of years as land was gradually eroded.
Geophysicists say oil is formed by high pressures and temperatures transforming organic matter over millions of years.
The natural gas would have leaked naturally to the surface over the course of millions of years.
And they say the differences may have evolved millions of years ago when early humans became hunter gatherers.
Nature has developed antibiotics the same way it develops everything: through millions of years of trial and error.
But among hikers, it is known for its 27 hiking routes through pristine mountains said to be millions of years old.
If carbon dioxide levels go up 100 ppm over thousands or millions of years, plants and animals can adapt.
Gender task specialization in mammal packs over millions of years was the best way to guarantee survival and evolution.
Even after tens of millions of years it still comes down to dollars.
According to Medina, the human brain evolved over millions of years to learn, problem-solve and survive while in motion.
To replace earlier finds, oil companies moved offshore, where rivers have been depositing petroleum-forming sediments for millions of years.
Amazingly, the two genes were almost exactly the same--meaning they had been conserved through millions of years of evolution.
It took nature millions of years to develop and continuously optimize outstanding solutions.
It's the first time in tens of millions of years that these predators have appeared that close to Antarctica.
Life on earth flourished for hundreds of millions of years at much higher CO2 levels than we see today.
No one knows exactly when, but some millions of years ago Socotra split away from mainland Arabia and Africa.
They're retrieving a record of how the ice sheets have been behaving over the last tens of millions of years.
If carbon dioxide levels go up 100 parts per million over thousands or millions of years, plants and animals can adapt.
However, common sense would dictate that the possibility certainly exists through the man-made release of carbon sequestered for millions of years.
These are carbon concentrations not outside of the bounds of 800, 000 years but outside of the bounds of millions of years.
Sharks predate dinosaurs, and millions of years of evolution have positioned them in a critical and vital role as an apex predator.
CNN: Even after attacks on humans, sharks should be protected
Vastly underutilized, biogas is essentially natural gas that is produced in a matter of millions of seconds rather than millions of years.
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