A banker in London sends the latest stock info
to his colleagues in Hong Kong in less than a second.
With a single click, a customer in New York
orders electronics made in Beijing,
transported across
分类目录归档:world
A banker in London sends the latest stock info
to his colleagues in Hong Kong in less than a second.
With a single click, a customer in New York
orders electronics made in Beijing,
transported across
When you think of natural history museums,
you probably picture exhibits filled with ancient lifeless things,
like dinosaurs
meteroites,
and gemstones.
But behind that educational exterior,
which onl
It's easy to forget how vast and deep the ocean really is.
About 60% of it is actually a cold and dark region
known as the deep ocean.
And it reaches down to 11,000 meters.
Yet, this remote zone is al
What's so great about the Great Lakes?
They're known as America's inland seas.
The North American Great Lakes
Huron,
Ontario,
Michigan,
Erie,
and Superior
are so massive that they border eight states
On September 6, 1522,
the "Victoria" sailed into harbor in southern Spain.
The battered vessel and its 18 sailors were all that remained
of a fleet that had departed three years before.
Yet her voyage
How did Dracula become the world's most famous vampire?
More than 100 years after his creator was laid to rest,
Dracula lives on as the most famous vampire in history.
But this Transylvanian noble,
ne
Deep inside Yale University's Beinecke Rare Book and Manuscript Library
lies the only copy of a 240-page tome.
Recently carbon dated to around 1420,
its vellum pages features looping handwriting
and
Stretched across a tree-peppered expanse in southern Africa
lies the magnificent ruins of Great Zimbabwe,
a medieval stone city of astounding wealth and prestige.
Located in the present-day country of
What if electricity could travel forever without being diminished?
What if a computer could run exponentially faster with perfect accuracy?
What technology could those abilities build?
We may be able
Every year, the world uses 35 billion barrels of oil.
This massive scale of fossil fuel dependence pollutes the Earth
and it won't last forever.
Scientists estimate that we've consumed about 40% of