Thanks to http://www.audible.com/minuteearth for sponsoring this video. A new fish counting method has revealed there are ten times more fish in the sea than we previously thought.* *But unfortunat...
========== When Galileo trained his homemade telescope
on the night sky, it transformed from a blackpool populated by a few thousand stars into
a sparkling sea filled with ten times thenumber. And today, with the help of bigger
and better telescopes, we know that our homegalaxy - the Milky Way - is an ocean of as
many as 400 billion stars.However, telescopes can’t help us peer into
the watery oceans here on Earth, so to counttheir inhabitants, we've used fish trawls
to drag them up into the light - and then- more often than not - onto our plates.
But now we don't have to fish fish in orderto count fish. In 2010, Spanish researchers
sailed around the world with an ultra high-poweredSONAR, shooting sound waves into the depths
and using the reflected signals...