One year after the beginning of its scientific operations, the high-capability infrared satellite AKARI continues to produce stunning views of the infrared Universe.
Astronomy
Jul 11, 2007
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Biology textbooks are blunt—neutrophils are mindless killers. These white blood cells patrol the body and guard against infection by bacteria and fungi, identifying and destroying any invaders that cross their path. But ...
Jul 11, 2007
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Astronomers who used powerful telescopes in Arizona and Chile in a survey for planets around nearby stars have discovered that extrasolar planets more massive than Jupiter are extremely rare in other outer solar systems.
Astronomy
Jul 11, 2007
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Researchers at UCL (University College London) are part of an international team which has discovered water on an extra-solar planet for the first time. Findings will be published in this week’s Nature.
Astronomy
Jul 11, 2007
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A detailed understanding of key chemical reactions that take place in interstellar space has been provided by groundbreaking research at two U.S. Department of Energy national laboratories and two European universities.
General Physics
Jul 11, 2007
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A Cornell study of genome sequences in African-Americans, European-Americans and Chinese suggests that natural selection has caused as much as 10 percent of the human genome to change in some populations in the last 15,000 ...
Jul 11, 2007
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Scientists at Arizona State University's Mars Space Flight Center are using the Thermal Emission Imaging System (THEMIS) on NASA's Mars Odyssey orbiter to monitor a large dust storm on the Red Planet. The instrument, a multi-wavelength ...
Space Exploration
Jul 11, 2007
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Water striders, insects that walk on the surface of the water, may never set foot on land in their lives, and yet they’re not swimmers. Over the past million or so years, this insect—sometimes called a water skater—has ...
In a study publishing in PLoS Computational Biology, Shakhnovich et al present a new model of early biological evolution – the first that directly relates the fitness of a population of evolving model organisms to the properties ...
Jul 11, 2007
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Blue green algae are significant species in the global carbon cycle because they transform nitrogen gas from the atmosphere into a useable nutrient, enabling photosynthesis in nutrient-poor waters.
Jul 11, 2007
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