IMAGE: This electron microscopy image shows mitochondria in a normal cell. Click here for more information. Most organisms need iron to survive, but too ...

Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches ...

Female plants were more likely to be colonized by the mycorrhizal fungi than male plants The war between the sexes has been fought on many fronts throughout time—from humans to birds to insects, the ...

Age-related hearing loss is the most common sensory disorder among the elderly. But scientists are still trying to figure out what cellular processes govern or contribute to the loss. Now a ...

Un estudio español ha determinado que la inhibición de las proteínas Bcl, ligadas al cáncer, tiene lugar en la mitocondria. Miércoles, 21 de Octubre de 2009 Laboratorio de Péptidos y Proteínas. Un ...

All multicellular organisms require apoptosis, the controlled death of cells. Without apoptosis, 2 tons of bone marrow and lymph nodes and a 16-km intestine would probably accumulate in a human by ...

DNA damage has emerged as a major culprit in cancer and many diseases related to aging. The stability of the genome is supported by an intricate machinery of repair, damage tolerance, and checkpoint ...

Los estudios sobre la protección que los telómeros confieren a los cromosomas han merecido el Nobel de Medicina 2009. Carol Greider, Jack Szostak y Elizabeth Blackburn han sido galardonados por ...