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Tag: isotopes

A New Way to Make Hydrocarbons
Chemistry

A New Way to Make Hydrocarbons

Marine scientists used isotopic fingerprinting techniques to discover a new way that the hydrocarbons in oil and gas are formed.
January 4, 2022January 4, 2022 Amanda Semler
First Report of Biologically Produced Elemental Carbon
Microbiology

First Report of Biologically Produced Elemental Carbon

Deep-sea microorganisms have been found to produce elemental carbon, although the biological reason remains unknown.
December 9, 2021December 10, 2021 Amanda Semler
Living Fossils Hidden in Plain Sight
Microbiology

Living Fossils Hidden in Plain Sight

Around 2.4 billion years ago, the emergence of cyanobacteria multiplied oxygen concentrations in our atmosphere by almost a million, and…
February 4, 2021February 1, 2021 Amanda Semler
Human mercury pollution found at the deepest ocean
Pollution

Human mercury pollution found at the deepest ocean

For many decades, humans have been putting mercury into the ocean, contaminating big fish like tuna and swordfish. But we…
December 17, 2020December 17, 2020 Jiwoon Park
Fossilized Deep-Sea Corals Reveal Ancient Ocean Circulation Patterns
Climate Change

Fossilized Deep-Sea Corals Reveal Ancient Ocean Circulation Patterns

An increase in atmospheric carbon dioxide concentrations helped end the last ice age. But what caused the carbon dioxide increase…
November 9, 2020December 9, 2020 Amanda Semler
Life at One Hundred Million Years Old
Microbiology

Life at One Hundred Million Years Old

A team of scientists traveled to the South Pacific Gyre and discovered 100 million year old, energy-starved microorganisms hidden below…
August 14, 2020September 11, 2020 Amanda Semler
Uneven Ocean Warming as the Planet Shed its Ice
Natural History

Uneven Ocean Warming as the Planet Shed its Ice

Our oceans underwent major changes when the planet transitioned from the Last Glacial Maximum to our current interglacial (or “between…
December 11, 2017December 10, 2017 Julia Dohner
The Subtle Response of Plants to Rising CO2 Levels
Biogeochemistry

The Subtle Response of Plants to Rising CO2 Levels

Plants need carbon dioxide. What do they do when there’s more and more of it in the atmosphere?
October 16, 2017June 6, 2019 Julia Dohner
Human impacts

New Nitrogen in Town: Nitrogen Deposition on the Open Ocean

Life in the ocean depends on a variety of nutrients, an important one being nitrogen. Phytoplankton, at the bottom of…
June 22, 2017June 22, 2017 Julia Dohner
Climate Change

A New Tool for Understanding Where Carbon Dioxide Goes

We know that CO2 is being absorbed from the air by the ocean, but how can we measure how much…
April 21, 2017June 21, 2017 Julia Dohner
Biogeochemistry

Dust detectives: tracing the origins of Antarctic ice core debris

Tiny dust particles punch above their weight by delivering nutrients to remote ecosystems. A new study uses the chemical fingerprint…
April 13, 2016 Michael Philben

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