Engineers at the Massachusetts Institute of Technology (MIT) say they have developed tiny electronic devices, one-billionth the size of a grain of rice, that can be injected into an arm, travel ...

Researchers found that serum from younger blood can be combined with bone marrow cells and injected into older skin cells, producing rejuvenating effects. This process is called heterochronic ...

People looking to lose weight and lower their blood sugar may someday be able to get a single injection that turns their cells into tiny factories that churn out a protein that is essentially the ...