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aging

Researchers: Animals age at the same rate despite big variations in lifespan and size

At ScienceDaily: Researchers from the Wellcome Sanger Institute found that despite huge variation in lifespan and size, different animal species end their natural life with similar numbers of genetic changes. Read More ›

Aging has always been with us, say researchers (to no one’s surprise)

This group somehow links it to natural selection: A new USC Dornsife study indicates that aging may have originated at the very beginning of the evolution of life, at the same time as the evolution of the first genes. … This could be a game changer for research on longevity and aging. It may also be relevant to the scientific discussions surrounding CRISPR9 gene editing,” said John Tower, biologist at the USC Dornsife College of Letters, Arts and Sciences. “We found that when it comes to genes, aging may not always be a negative trait. It may help an organism survive.” To test this, Tower and a team of researchers developed a scenario with molecules can replicate themselves. Such molecules Read More ›