A comet may have hit the planet Neptune about two centuries ago. This is indicated by the distribution of carbon monoxide in the atmosphere of the gas giant that researchers have now studied. The scientists analyzed data taken by the research satellite Herschel, that has been orbiting the Sun in a distance of approximately 1.5 [...]
Scientists have described a population of cells that mark the very first stage of differentiation of human embryonic stem cells as they enter a developmental pathway that leads to production of blood, heart muscle, blood vessels and bone.
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Research on the population of black-legged ticks, which can transmit Lyme disease from host animals to humans, reinforces that it is important to take preventative measures when spending time outdoors.
Scientists have long recognized that cancers may look the same under the microscope, but carry different mutations, respond differently to treatment and result in vastly different outcomes for patients. Now researchers have developed a new approach that uses genomic information from different species to understand the biology that drives the formation of these different cancer [...]
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Researchers have developed a computer model that will accurately predict stormwater pollution impacts from proposed real-estate developments — allowing regulators to make informed decisions about which development projects can be approved without endangering water quality. The model could serve as a blueprint for similar efforts across the United States.
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The presence and severity of Fetal Alcohol Spectrum Disorders are influenced by factors beyond alcohol consumption, such as maternal age. New findings have shown that the damaging effects of maternal binge drinking during pregnancy on attention are greater among children born to older drinking mothers.
By looking at the point-of-view of ET civilizations sending beacons, an astrophysicist and microwave-expert brother advocate new approach for SETI to find signals of intelligent alien life.
Implanting tiny plastic scaffolds seeded with genetically engineered stem cells reduced organ damage and led to better cardiac function after a heart attack, according to new research.
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Grains, vegetables and fruit taste delicious and are important sources of energy. However, humans cannot digest the main component of plants - the cellulose in the cell wall. Even in ruminants, animals that can metabolize cellulose, the digestibility of the cell wall plays a crucial role in feed utilization. Scientists are therefore looking for ways [...]
Sepsis and septic shock appear to be more common than heart attacks or pulmonary blood clots among patients having general surgery, and the death rate for patients with septic shock is approximately 34 percent within 30 days of operation, according to a new study.