Computer-designed proteins that can recognize and interact with small biological molecules are now a reality. Scientists have succeeded in creating a protein molecule that can be programmed to unite with three different steroids.
Three-and-a-half months is just a blip in the life of a human being, but it’s a big deal for a mouse. That’s why researchers at the National Institutes of Health generated a bit of buzz this week with their announcement that they had engineered mice with average lifespans of 28 months for males and 31.5 months for females – about 20% longer than the life of the average, non-super mouse.
Many Americans do not look happily on the prospect of living much longer lives. They see peril as well as promise in biomedical advances, and more think it would be a bad thing than a good thing for society if people lived decades longer than is possible today, according to a new survey by the Pew Research Center.