Stem cells make more ‘cargo’ packets to carry cellular aging therapies

Johns Hopkins scientists report that adult cells reprogrammed to become primitive stem cells, called induced pluripotent stem cells (iPSCs), make tiny "cargo packets" able to deliver potentially restorative or...

New ‘jumping’ superbug gene discovered, resistant to last-resort antibiotic

While sifting through the bacterial genome of salmonella, Cornell University food scientists discovered mcr-9, a new stealthy, jumping gene so diabolical and robust that it resists one of the...

Research in preclinical models suggests that recombinant molecule could act as a topical anti-HIV...

A vaginal microbicide that could prevent sexual transmission of HIV-1 in women has tremendous potential for saving lives and helping staunch an epidemic. But the delicate milieu of microbes...

More than 100 years of data show Pennsylvania tick population shift

The prevalence of the most abundant species of ticks found in Pennsylvania has shifted over the last century, according to Penn State scientists, who analyzed 117 years' worth of...

How the immune system recognizes pathogens: Interaction Time

A team led by the Freiburg biologists Prof. Dr. Wolfgang Schamel and Prof. Dr. Wilfried Weber conducted an experiment in which they controlled the duration of the interaction of...

Different exercise activities are related to the different dimensions of well-being in midlife

Men and women with high mental well-being at the age of 42 were more physically active at the age of 50 compared to those who got lower scores in...