News articles tagged with 'life'
Ancient environment found to drive marine biodiversity
— 25 Nov 2011 09:00 | Geology and palaeontologyMuch of our knowledge about past life has come from the fossil record - but how accurately does that reflect the true history and drivers of biodiversity on Earth?…
New NASA missions to investigate how Mars turned hostile
— 19 Nov 2011 15:46 | AstronomyMaybe because it appears as a speck of blood in the sky, the planet Mars was named after the Roman god of war. From the point of view of life as we know it, that's appropriate. The…
Researchers pinpoint date and rate of Earth's most extreme extinction
— 18 Nov 2011 17:09 | Geology and palaeontologyIt's well known that Earth's most severe mass extinction occurred about 250 million years ago. What's not well known is the specific time when the extinctions occurred. A team of researchers…
Scientists find evidence for 'great lake' on Europa
— 16 Nov 2011 21:37 | AstronomyIn a significant finding in the search for life beyond Earth, scientists from The University of Texas at Austin and elsewhere have discovered what appears to be a body of liquid water…
Through evolution, cavefish have lost sleep
— 9 Apr 2011 11:40 | BiologyCave life is known to favor the evolution of a variety of traits, including blindness and loss of eyes, loss of pigmentation, and changes in metabolism and feeding behaviour. Now researchers…
Protein adaptation shows that life on early earth lived in a hot, acidic environment
— 6 Apr 2011 17:10 | EnvironmentA new study reveals that a group of ancient enzymes adapted to substantial changes in ocean temperature and acidity during the last four billion years, providing evidence that life…
Chronic stress of cancer causes accelerated telomere shortening
— 3 Apr 2011 12:08 | HealthResults of a study presented at the AACR 102nd Annual Meeting 2011, held here April 2-6, lend credence to the idea that improving quality of life affects stress-related biological markers…
Sugar-grain sized meteorites rocked the climates of early Earth and Mars
— 2 Apr 2011 11:34 | AstronomyBombardments of 'micro-meteorites' on Earth and Mars four billion years ago may have caused the planets' climates to cool dramatically, hampering their ability to support life, according…
First broad-scale maps of life on the sea-shelf
— 2 Apr 2011 11:22 | EnvironmentMarine scientists from five research agencies have pooled their skills and resources to compile a directory of life on Australia's continental shelf. They examined the shelf seascape…
Diet-exercise combo best for obese seniors
— 31 Mar 2011 15:09 | HealthFor obese seniors, dieting and exercise together are more effective at improving physical performance and reducing frailty than either alone…