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Expedition 12 Hot Topics
 The Scoop on Sound
Scientists use sound to send and retrieve information from undersea robots, buoys, and other ocean tools, and they are always working hard to improve sound-based technology. Ocean acoustics, the study of sound in the sea, is a rapidly growing field of research today. Learn more »
Previous Related Hot Topics:
Hydrothermal Vents
 Godzilla,
Sasquatch, and Homer Simpson:
The Curious Names of Deep-sea Features
From Expedition 8: Hydrothermal vent fields and their individual chimneys may
be places for serious scientific research, but some of their names come straight
from science fiction. Learn
more »
 Bacteria
at Hydrothermal Vents
From Expedition 4: Small but mighty, bacteria
live everywhere at hydrothermal vents. Learn
more about bacteria »
 Looking
for Microbes
From Expedition 2: Prof.
Rachel Haymon and Dr. Patricia Holden, from the University of
California - Santa Barbara, have an idea about how to look for
microbes in active hydrothermal vent chimneys. Read
about their experiment »
 Biogeography
of Hydrothermal Vents
From Expedition 4: Biogeography
is the study of distribution patterns of organisms and what causes
those patterns to exist. Learn
more »
Seafloor Geology
 Seafloor
Gravity
From Expedition 2: Learn about what gravity is
and why using a gravimeter in Alvin can help geophysicists learn
about the ocean crust. Learn
about seafloor gravity »
 Seafloor
Magnetics
From Expedition 2: Learn about the Earth’s magnetic field and why measuring
it near the seafloor can help geophysicists understand how the ocean crust forms. Learn
about magnetics »
 Lava
Flows
From Expedition 5: When a volcano erupts, the molten rock (or magma) that comes
out of the Earth is called lava. Lava is the most common form of material erupted
from volcanoes that form oceanic islands. Learn
more about Lava Flows »
 What
Does a Young Submarine Lava Flow Look Like?
From Expedition 5: As
we investigate the submarine slopes of Galápagos volcanoes
we see life that no one has photographed before. Learn
more about our camera tow survey »
See list of all previous Hot Topics »
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