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Spain Considers Release Of Genetically Modified Olive Fruit Flies

The flies, created by the same company that has tested genetically modified mosquitos, are designed to crash local populations of the pest.<p>A company involved in creating genetically modified mosquitos has another project nearing outdoor testing. The U.K.-based Oxitec has applied to release …

Biology

Why Do We Age? A 46-Species Comparison

Why we age is a tricky evolutionary question. A full set of DNA resides in each of our cells, after all, allowing most of them to replicate again and again and again. Why don’t all tissues regenerate forever? Wouldn’t that be evolutionarily advantageous?<p>Since the early 1950s, evolutionary …