dna

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Tag archives for dna

Recalculating Round Numbers

The price of human genome sequencing has fallen spectacularly since the turn of the century; what then cost $100,000,000 is now promised for only $1000. This race toward zero makes even Moore’s Law look like a snail’s pace, but the $1000 price tag does come with a couple asterisks. For one, providers will need high…

Making Cancer, and Making It Worse

On Pharyngula, PZ Myers says that cancer, unlike an infectious bacterium or virus, is not the product of millions of years of evolution. Instead, PZ writes, “Cancer misuses and perverts existing processes in your cells to send them out of control.” But what causes cancer? Well, it happens about 20,000 times a day in your…

From the well-preserved remains of a woolly mammoth that was buried by Siberian winters about 18,545 years ago, scientists were able to extract viable DNA and sequence the majority of an extinct species’ genome for the first time. The mammoth’s genome is currently about 70 percent sequenced, and researchers estimate the size of the genome…