Earth News, Earth Science, Energy Technology, Environment News

October 07, 2014

Making oxygen before life
Davis CA (SPX) Oct 07, 2014
About one-fifth of the Earth's atmosphere is oxygen, pumped out by green plants as a result of photosynthesis and used by most living things on the planet to keep our metabolisms running. But before the first photosynthesizing organisms appeared about 2.4 billion years ago, the atmosphere likely contained mostly carbon dioxide, as is the case today on Mars and Venus. Over the past 40 years, researchers have thought that there must have been a small amount of oxygen in the early atmosphere. W ... read more

Previous Issues

Oct 06

Oct 04

Oct 03

Oct 02

Oct 01

Air pollution increases river-flows A study published in Nature Geoscience shows that air pollution has had a significant impact on the amount of water flowing through many rivers in the northern hemisphere. The paper shows how such p ... more		Natural gene selection can produce orange corn rich in provitamin A for Africa, U.S. Purdue researchers have identified a set of genes that can be used to naturally boost the provitamin A content of corn kernels, a finding that could help combat vitamin A deficiency in developing co ... more		Nanoparticles Accumulate Quickly in Wetland Sediment A Duke University team has found that nanoparticles called single-walled carbon nanotubes accumulate quickly in the bottom sediments of an experimental wetland setting, an action they say could indi ... more
				Fall in monsoon rains driven by rise in air pollution Emissions produced by human activity have caused annual monsoon rainfall to decline over the past 50 years, a study suggests. In the second half of the 20th century, the levels of rain recorde ... more		Creepy Crawlers Play Key Role in Structure of Grasslands When asked to describe a forest or a meadow, most people would probably begin with the plants, the species diversity, or the color of the foliage. They probably wouldn't pay much attention to the an ... more

Tempur-Pedic Mattress Comparison & Memory Foam Mattress Review

New study explains wintertime ozone pollution in Utah oil and gas fields Chemicals released into the air by oil and gas exploration, extraction and related activities can spark reactions that lead to high levels of ozone in wintertime, high enough to exceed federal healt ... more		Smithsonian scientists discover coral's best defender against an army of sea stars Coral reefs face a suite of perilous threats in today's ocean. From overfishing and pollution to coastal development and climate change, fragile coral ecosystems are disappearing at unprecedented ra ... more		AALTO plans Zephyr stratospheric hub in northern Australia and seeks local payload partners Ancient guano drove Chincha coastal power UAH lands first DARPA award for biological sciences department		Light Scattering on Dust Holds Clues to Habitability We are all made of dust. Dust particles can be found everywhere in space. Disks of dust and debris swirl around and condense to form stars, planets and smaller objects like comets, asteroids and dwa ... more
				Experts call for widening the debate on climate change Environmental scientists are being urged to broaden the advice they give on global climate change, say experts who are also frustrated that decision makers are not taking enough action. Writin ... more		China to improve earth observation service China will promote the application of satellite earth observation technologies to better serve the economy, officials and experts said. China has already built a network of satellites and othe ... more

Startup in the Land of the Rising Sun; A Japanese Solar Venture - by Bradley L. Bartz

New Forest Land Classification Data Set Launched British satellite imaging company DMC International Imaging Ltd (DMCii) has announced the completion of its Flagship project to develop a global system using Earth Observation (EO) satellite data to ... more		NASA Support Key to Glacier Mapping Efforts Thanks in part to support from NASA and the National Science Foundation, scientists have produced the first-ever detailed maps of bedrock beneath glaciers in Greenland and Antarctica. This new data ... more		Sidekick autonomy software guides YFQ-42A test mission for CCA program Infleqtion lists shares on NYSE as neutral atom quantum firm Top Chinese gaming companies continue to challenge		Climate detectives reveal handprint of human caused climate change in Australia Australia's hottest year on record in 2013 along with the accompanying droughts, heat waves and record-breaking seasons of that year was virtually impossible without the influence of human-caused gl ... more
Hong Kong activists agree to talks as protests shrink Hong Kong protest leaders said late Monday they had agreed to hold talks with the government as their numbers dwindled and they faced growing pressure to end their pro-democracy sit-in. ... more		US military officials feared dead as typhoon slams into Japan Strong typhoon Phanfone slammed into Japan Monday, packing gusting winds and huge waves that swept three US military officials out to sea in another stark reminder of the country's vulnerability to nature. ... more		UN biodiversity meet warns of unmet targets A UN conference on preserving the earth's dwindling resources opened Monday with grim warnings that the depletion of natural habitats and species was outpacing efforts to protect them. ... more		Two more dead found on Japan volcano Rescue workers on Tuesday found two bodies in the ash on a volcano in central Japan, where at least 12 hikers are still unaccounted for following an eruption known to have killed 51 others ... more

	Lightning kills 11 indigenous in remote Colombia Lightning struck dead 11 Colombians and injured 15 others during a meeting of indigenous Wiwa spiritual leaders in a remote mountainous area in the country's north, the government said Monday. ... more		Japan typhoon death toll rises to six: reports The death toll from a typhoon that pounded Japan this week has risen to six, while five other people including two US serviceman remain missing, reports said Tuesday. ... more

Rover discovers more building blocks of life on Mars

Blue Origin probing rocket's failure to deliver satellite

CACI Wins 231 Million Dollar Task Order for Tactical Satellite Communications to US Special Operations Command

Protected caves in Oregon change ideas of early Americans		Trio win Nobel medicine prize for brain's 'GPS'		Two bison reintroduced in Romania die of bluetongue disease		Lack of ocean heat puzzles NASA hunt for warming 'hiatus'		Washington State lets citizens name discovered wolf packs
Brazil elections most talked about in Facebook history		Scientists Resurrect Ancient Proteins to Learn about Primordial Life on Earth		US, India Cement Cooperation in Earth Exploration		Wyoming gubernatorial candidate wants wolf hunt, ignores feds		Ivory Coast buoyed by record agricultural harvest

US military officials feared dead as typhoon slams into Japan

Pakistan bars relief goods to flood-hit Indian Kashmir

In Nobel season, laureates fret for sickly Earth

US finds no pollution from Mexico mine spill

Scientists are closer to understanding human height

Changing Antarctic waters could trigger steep rise in sea levels

Zooplankton migrations may affect global ocean currents

'Smart' bandage emits phosphorescent glow for healing below

Study shows sharks have personalities

Greenland Ice Sheet's meltwater channels studied

New approach can predict impact of climate change on species

Plumbing system beneath Greenland slows ice sheet as summer progresses

A Heartbeat Away? Hybrid "Patch" Could Replace Transplants

Modi wields broom in new 'Clean India' push

Some sharks are loners, others are gregarious

Divers capture remarkable images of underwater mountains near the Canary Islands

'Vaccinated' mosquitos released in Rio to combat dengue

Crumpled graphene could provide an unconventional energy storage

New Absorber Will Lead to Better Biosensors

Turkey may need to go green, director says

Free Newsletters - Space - Defense - Environment - Energy

Buy Advertising

Media Advertising Kit

Editorial & Other Enquiries

Privacy statement

The content herein, unless otherwise known to be public domain, are Copyright 1995-2014 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement All images and articles appearing on Space Media Network have been edited or digitally altered in some way. Any requests to remove copyright material will be acted upon in a timely and appropriate manner. Any attempt to extort money from Space Media Network will be ignored and reported to Australian Law Enforcement Agencies as a potential case of financial fraud involving the use of a telephonic carriage device or postal service.