Month: November 2013Page 5 of 7

Testing the RNA World Hypothesis — On Ice

Researchers at the University of Cambridge have been able to create an RNA construct that can possibly shed light on the origins of life here on Earth, according…

Exercise and the Brain

Exercise has been known to increase the expression of brain-derived neurotrophic factor (BDNF), a factor that promotes neural development and survival. Although the mechanisms responsible for this increase…

Regenerative Medicine: Reprogramming Adult Cells

Recent studies in regenerative medicine have shown much promise for the treatment of disease. Adult stem cells can be found in a living organism, in which they perform…

Measuring Age from DNA Methylation

Steve Horvath, a biostatistician at UCLA, has analyzed DNA methylation data from several tissue types to come up with a biological measure of age. Epigenetic controls of gene…

Linking Ozone Depletion to Climate Change

International researchers have discovered a link between Antarctic ozone depletion and rising summer temperatures over southern Africa, as published in Nature Geoscience on October 13 (1). Over the…