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Biology & Aging

Stem cells collected from human corneas restore transparency and don't trigger a rejection response when injected into eyes that are scarred and hazy...
The demise of the dinosaurs is well-documented. Less well-known is the fate of some of the Earth’s earliest life-forms – methane-producing microbes...
Scientists have completed the first study of microbes that live within the plumbing of deep-sea mud volcanoes in the Gulf of Mexico, where conditions...
Researchers at Karolinska Institutet have now shown, by measuring the radioactive isotope carbon-14 stored in cells, that heart cells are replaced...
Yesterday, I discussed the science involved in stem cell research. Today I want to discuss the ethics. By Mano Singham The ethical problems...
The decision by the Obama administration to reverse the Bush-era policy of banning the use of federal funds for stem cell research has created some...
Understanding the cause of the extinction that wiped out some 95% of the living species at the end of the Palaeozoic Era has been one of the greatest...
In a genetic engineering breakthrough that could help everyone from bed-ridden patients to elite athletes, a team of American researchers--including...
The largest mass extinction in the history of the earth could have been triggered off by giant salt lakes, whose emissions of halogenated gases...
Based on research that reveals new insight into mechanisms that allow invasive tumor cells to move, researchers at the Mayo Clinic campus in Florida...

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