Carbon Cycle


Mission to the Ocean Twilight Zone

Mission to the Ocean Twilight Zone

The twilight zone is a part of the ocean 660 to 3,300 feet below the surface, where little sunlight can reach. It is deep and dark and cold, and the pressures there are enormous. Despite these challenging conditions, the twilight zone teems with life that helps support the ocean’s food web and is intertwined with Earth’s climate. Some countries are gearing up to exploit twilight zone fisheries, with unknown impacts for marine ecosystems and global climate. Scientists and engineers at Woods Hole Oceanographic Institution are poised to explore and investigate this hidden frontier.

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A Mighty Mysterious Molecule

A Mighty Mysterious Molecule

What gives sea air its distinctive scent? A chemical compound called dimethylsulfide. In a new study, WHOI scientists show that the compound may also be used by marine microbes to communicate with one another.

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Specks in the Spectrometer

Specks in the Spectrometer

Mass spectrometer facilities can be a rite of passage for scientists—as well as for the samples analyzed inside the mass specs.

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Tracking a Trail of Carbon

Tracking a Trail of Carbon

Lake Titicaca in the Andes Mountains of South America is an extraordinary place to explore ancient human civilization, Earth’s climate history, and the flow of carbon through our planet.

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Deep-sea Detectives

Deep-sea Detectives

Links to related materials Mid-Ocean Ridges—Articles, illustrations, and video showing how new seafloor crust formsMapping the Seafloor with Multibeam Sonar…

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To Fertilize, or Not to Fertilize

To Fertilize, or Not to Fertilize

Global warming is “unequivocal,” the Intergovernmental Panel on Climate Change (IPCC) reported in November 2007. Human actions—particularly the burning of…

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