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Tag: "planetary" at biology news

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...tegies of life on Earth, and perhaps also on other planetary bodies," said Rachel M. Haymon, UCSB professor of ... elsewhere." The direct linkages between life and planetary processes on the volcanically active, deep-sea, mid-ocean ridge system can only be understood throug...

Scientists find fossil proof of Egypt's ancient climate

Earth and planetary scientists at Washington University in St. Louis a...ington University assistant professor of earth and planetary sciences in Arts & Sciences, and her doctoral student Johanna M. Kieniewicz, are using stable is...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

...igation aspects of the project. Nathalie Cabrol, a planetary scientist at NASA's Ames Research Center and the SETI Institute, leads the science investigation. Life is barely discernable over most areas of the Atacama, but the rover's instruments were able to detect lichens and bacterial colonies in two areas:...

Map of life on Earth could be used on Mars

...ington University assistant professor of earth and planetary sciences in Arts & Sciences, has some insight concerning terrestrial microbes that could lead to provocative conclusions about the nature of life on Mars and other planets. Blank approaches the task by resolving phylogenetic trees. These trees, ...

Proteomics brings researchers closer to understanding microbes that produce acid mine drainage

... team leader Jill Banfield, professor of earth and planetary science and of environmental science, policy and management at UC Berkeley. This technique not only tells her and her colleagues what genes are expressed as proteins in each bacteria, but also how much of each is produced - the key to understanding ...

MERIS monitoring tracks planetary photosynthesis levels

... is used to monitor the state and evolution of the planetary vegetation cover. In particular the instrument's standard Level-2 product on land, known as the MERIS Global Vegetation Index (MGVI) provides FAPAR values based on reflected radiation from the Earth's land surface. EC-JRC is responsible for the proce...

Evolution of life on Earth may hold key to finding life in outer space

...ganisms that can be conducted robotically on other planetary bodies, including Mars. Fox earned his bachelor's degree and his doctorate in chemical engineering from Syracuse University. Coming to UH in 1977, Fox has held numerous positions and, in addition to being a professor of biology and biochemistry in t...

Science's Breakthrough of the Year: Watching evolution in action

...id, Saturn, and the very edge of the solar system, planetary discovery soared in 2005. The high point in a year of highlights may be the landing of the European spacecraft Huygens on Titan, Saturn's largest moon. Huygens' trip to Titan revealed a world where infrequent but drenching rains of liquid methane sha...

New maps reveal true extent of human footprint on Earth

...onnect' between global, top-down views of changing planetary conditions, and the local, bottom-up perspective of how humans affect and live in a changing environment," says Jonathan Foley, director of SAGE. To help bridge that gap, SAGE researchers are working towards a new "Earth Collaboratory," an unpreced...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

...ology Center and an adjunct professor of earth and planetary science at UC Berkeley, and his colleagues in Mexico and at Texas A&M University report in the Dec. 1 issue of Nature a new age for the rock: about 1.3 million years. "You're really only left with two possibilities," Renne said. "One is that the...

Scientists discover interplay between genes and viruses in tiny ocean plankton

...y. "Our image of ocean microbes and their role in planetary maintenance is changing," Chisholm said. "We no longer think of the microbial community as being made up of species that have a fixed genetic make-up. Rather, it is a collection of genes, some of which are shared by all microbes and contain the infor...

MIT: Oceans are a major gene swap-meet for plankton

...hat "our image of ocean microbes and their role in planetary maintenance is changing," Chisholm said. "We no longer think of the microbial community as being made up of species that have a fixed genetic makeup. Rather, it is a collection of genes, some of which are shared by all microbes and contain the inform...

Deep-rooted plants have much greater impact on climate than experts thought

...ute of the Environment, and professor of earth and planetary science and of environmental science, policy and management. The researchers incorporated these new details into the most widely accepted model of global climate, and found that it accounts for a previously observed but unexplained dip in Amazonian ...

Arctic expedition will investigate alien-like glacier

...cier in the future. "These are exciting times for planetary exploration in Canada, said Dr. Alain Berinstain, Director of Planetary Exploration and Space Astronomy at the Canadian Space Agency (CSA). "With the development of the Canadian Analogue Research Network (CARN) by the CSA, there are more opportunitie...

Bacteria that use radiated water as food

..., the three-dimensional shell that encompasses all planetary life. The research has less Earthly implications, however. It will likely fuel optimism that life exists in other deep subsurface environments, such as in groundwater beneath the permafrost on Mars. "We know surprisingly little about the origin, ...

Satellites shed light on global warming

... beneficial to scientists in understanding oceanic planetary waves, which are internal waves that have major ef...modelling study by Canadian researchers that shows planetary wave speed is expected to increase considerably during this century as a side effect of climate chan...

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