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Stroke: New target protein found
How do strokes occur? What tends to happen is that a clot blocks the blood vessels supplying the brain. The brain then becomes starved of blood and oxygen, as a consequence of which nerve cells start ...
Life Sciences |
Read moreSeafloor Fossils Provide Clues on Climate Change
Assistant Professor of Earth and Environmental Sciences at Rensselaer Polytechnic Institute Miriam Katz has spent the past two decades studying these ancient, deep-sea fossils to reconstruct the clima...
Earth Sciences | Read moreNot Just Bleach: Hydrogen Peroxide May Tell Time for Living Cells
The chemical is hydrogen peroxide (H2O2), the active ingredient in color safe bleach. Produced in all animal cells, hydrogen peroxide may act as a signal for the active and resting phases of living th...
Life Sciences | Read moreA new wrinkle in ancient ocean chemistry
Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the "Great Oxidation Event" (GOE),...
Earth Sciences | Read moreOcean Acidification May Contribute to Global Shellfish Decline
In one of the first studies looking at the effect of ocean acidification on shellfish, Stephanie Talmage, PhD candidate, and Professor Chris Gobler showed that the larval stages of these shellfish spe...
Ecology, The Environment and Conservation | Read moreWarmer climate not the cause of oxygen deficiency in the Baltic Sea
But it is not an effect of climate change but rather of increased inputs of nutrients and fertilisers. This is the finding of researchers at the University of Gothenburg, Sweden, who have analysed the...
Earth Sciences | Read moreDirty stars make good solar system hosts
Some stars are lonely behemoths, with no surrounding planets or asteroids, while others sport a skirt of attendant planetary bodies. New research published this week in The Astrophysical Journ...
Physics and Astronomy | Read moreWhen Oxygen Makes Pollution Worse
Compared to fine-grain mine tailings, produced in ore treatment by flotation and other techniques, waste rock is just displaced material comprising large size particles and deposited in waste rock pil...
Ecology, The Environment and Conservation | Read moreMystery Solved: Marine Microbe Is Source of Rare Nutrient
Roughly a decade ago scientists discovered a rare form of organic phosphorus in marine organic matter. Not only were the researchers surprised to find this form of phosphorus, called phosphonate, but ...
Earth Sciences | Read moreNew multi-use device can shed light on oxygen intake
The self-referencing optrode, developed in the lab of Marshall Porterfield, an associate professor of agricultural and biological engineering, is non-invasive, can deliver real-time data, holds a cali...
Life Sciences | Read morePortable and precise gas sensor could monitor pollution and detect disease
Nitric oxide, a gas well known to scientists for its myriad functions, has proven challenging to measure accurately outside the laboratory. A team of Princeton and Rice University researchers ...
Ecology, The Environment and Conservation | Read moreNew System Tests Water Quality in Orbit
“Now they bring water back on the space shuttle and analyze it on the ground. The problem is there is a big delay. You’d like to be able to maintain iodine or silver [disinfectant] levels in real time...
Life Sciences | Read moreHouseplants cut indoor ozone
Ozone, the main component of air pollution, or smog, is a highly reactive, colorless gas formed when oxygen reacts with other chemicals. Although ozone pollution is most often associated with ...
Studies and Analyses | Read moreSecrets of the 4 chambers revealed by reptile hearts
The first genetic link in the evolution of the heart from three-chambered to four-chambered has been found, illuminating part of the puzzle of how birds and mammals became warm-blooded. Frogs ...
Life Sciences | Read moreDiversity in Key Environmental Cleanup Microbe Found
The team of researchers from the Georgia Institute of Technology, Michigan State University and the Pacific Northwest National Laboratory analyzed the gene sequences, proteins expressed and physiology...
Life Sciences | Read more
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