Carbon footprints are a familiar way to assess how green your lifestyle is, but now you can also measure your nitrogen footprint using a new tool, the N-Calculator.

Space & Earth - Environment

May 15, 2013 5 / 5 (1) 0

Scientists expressed alarm on Monday over the rapid acidification of the Arctic Ocean caused by carbon dioxide emissions, which could have dire consequences on the region's fragile ecosystem.

Space & Earth - Environment

May 06, 2013 4.2 / 5 (10) 8

(Phys.org) —A Purdue University-led team has revealed the proton transfer pathway responsible for a majority of energy storage in photosynthesis. Through photosynthesis, plants, algae and bacteria convert sunlight, carbon ...

Chemistry - Biochemistry

Apr 22, 2013 5 / 5 (6) 1 |

Climate change, water scarcity, increasing world population, and rising food prices are only some of the socioeconomic factors that threaten agriculture and food security worldwide, especially for disadvantaged populations ...

Biology - Other

Apr 17, 2013 not rated yet 0

(Phys.org) —As the world's oceans soak up carbon dioxide from an atmosphere increasingly polluted by fossil fuels, seawater will become more acidic. Two new studies by San Francisco State University students ...

Biology - Ecology

Apr 08, 2013 not rated yet 0

A newly developed membrane used to separate waste from water could become key in the treatment of pollutants ranging from acid mine drainage to oil-containing wastewater, as well as in processes ranging from desalination ...

Chemistry - Other

Mar 26, 2013 3.7 / 5 (3) 0

The surprising conclusion of the doctoral research project on the feeding ecology of porpoises by Okka Jansen at Wageningen University is that the Eastern Scheldt may be an ecological trap. She also discovered ...

Biology - Ecology

Mar 07, 2013 not rated yet 0

A continental-scale chemical survey in the waters of the eastern U.S. and Gulf of Mexico is helping researchers determine how distinct bodies of water will resist changes in acidity. The study, which measures ...

Space & Earth - Environment

Mar 01, 2013 3.3 / 5 (6) 0

Producing sea shells and algae alongside fish could provide both an environmentally friendly and economically viable solution to make Mediterranean aquaculture sustainable.

Biology - Ecology

Jan 21, 2013 4 / 5 (2) 0

(Phys.org)—This week, fizzy ocean water and the alkaline fluid that bubbles up from deep ocean vents are coursing through a structure at NASA's Jet Propulsion Laboratory in Pasadena, Calif. that is reminiscent ...

Space & Earth - Earth Sciences

Jan 17, 2013 5 / 5 (1) 3 |

Oxygenic photosynthetic organisms utilize energy from the sun to split water into protons, electrons and oxygen—products vital to life on earth. The process takes place through light-induced electron transfer ...

Chemistry - Materials Science

Sep 21, 2012 not rated yet 0

The microscopic organisms on which almost all life in the oceans depends could be even more vulnerable to increasingly acidic waters than scientists realised, according to a new study.

Space & Earth - Environment

May 15, 2012 4.2 / 5 (10) 7 |

(Phys.org) -- Two Earth and environmental scientists from the University of California have found that by observing bacteria in situ in an abandoned mine in northern California, they have, as they describe in their paper ...

Biology - Cell & Microbiology

Apr 30, 2012 4.7 / 5 (3) 4 |

(PhysOrg.com) -- Researchers from the Planetary Science Institute (PSI) and NASA Johnson Space Center (JSC) have proposed a new hypothesis to explain a class of enigmatic geologic features on Mars that have ...

Space & Earth - Space Exploration

Mar 28, 2012 5 / 5 (1) 0

Controlling nerve cells with the aid of light: this is made possible by optogenetics. It enables, for example, the investigation of neurobiological processes with unprecedented spatial and temporal precision. The key tool ...

Chemistry - Biochemistry

Feb 28, 2012 not rated yet 0