New research suggests that a controversial class of stem cells originates in the heart and retains some ability to repair damaged tissue.
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Scientists are beginning to discover myriad strategies tumors use to avoid attacks by anti-cancer drugs.
Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.
Researchers show that the bacterial species in probiotic, fermented dairy products may alter gene expression and metabolism in native gut microbiota.
Living conditions in early life can have lasting, widespread effects on DNA methylation.
Researchers find an antibody that may protect against a virus similar to the one featured in the movie Contagion.
For the first time researchers have shown that epigenetic changes that increase lifespan can be inherited across multiple generations.
The largest virus to be sequenced prompts researchers to consider whether giant viruses were once full-fledged living organisms.
The Nobel Assembly announced today that three researchers in the field of immunology will share the 2011 Prize in Physiology or Medicine.
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