12+ hour, 56+ min ago   (607+ words) Deep inside the mammalian placenta, a quiet genetic tug-of-war shapes how much a growing fetus asks of its mother....

2+ day, 3+ hour ago   (734+ words) Every tumor tells a story in its DNA, but the mutations themselves are only half the tale. Scientists have long known that breast cancers can be sorted into clinically meaningful subtypes based on gene-expression patterns such as the widely used…...

5+ day, 12+ hour ago   (946+ words) In an era when antibiotic-free farming is no longer a niche aspiration but a regulatory and commercial reality, scientists are turning their attention to the trillions of microbes that inhabit the guts of food-producing animals....

1+ week, 6+ day ago   (90+ words) The aging ovary has long been told as a story of loss: fewer eggs, poorer-quality eggs, and a slow fade in the hormonal machinery that sustains them. A new study adds a surprising subplot. As ovaries age, the very architecture…...