The causes of male infertility can be hard to diagnose, with many tests failing to detect genetic defects. Sometimes, infertility doesn’t even involve the genes themselves. It can arise from improper folding of the father’s DNA in the sperm. If a couple conceives, this mispackaged DNA can damage the lifelong health of the child.
Congratulations to Mariel Vazquez for her well-deserved election as a AAAS fellow, for her scientific achievements and efforts to promote diversity in bio-mathematics.
A new study of female mice by Neil Hunter and colleagues suggests that the herbicide atrazine can mimic and worsen the effect of maternal aging on egg quality.
Arthur Charles-Orszag, an assistant professor in the Department of Microbiology and Molecular Genetics, has received a Hypothesis Fund award to support research exploring one of biology's enduring mysteries: how the first complex cells evolved.
When a healthy cell turns cancerous a cascade of events enables the cancer to spread throughout the body. But its origin lies within a single progenitor cell. [Article]