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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A 19th century geologist and minister investigates a prehistoric cave full of hyena bones in his native England.
Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.
A new study shows that over the past century, the age at which scientists produce their most valuable work is increasing.
Researchers diagnose the second oldest known case of prostate cancer in a two-thousand-year-old-Egyptian mummy.
Researchers show that the bacterial species in probiotic, fermented dairy products may alter gene expression and metabolism in native gut microbiota.
Researchers find an antibody that may protect against a virus similar to the one featured in the movie Contagion.
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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