Medical research

How mechanical forces nudge tumors toward malignancy

All cancers are the result of cells that have gone haywire, multiplying out of control and expanding beyond their normal constraints. But not all tumors are the same: for reasons that remain poorly understood, some are more ...

Genetics

Genetic mutations may be linked to infertility, early menopause

A new study from Washington University School of Medicine in St. Louis identifies a specific gene's previously unknown role in fertility. When the gene is missing in fruit flies, roundworms, zebrafish and mice, the animals ...

Medical research

A wound dressing that kills bacteria

If germs invade a wound, they can trigger a long-lasting infection that may fail to heal or even spread throughout the body, leading to life-threatening blood poisoning (sepsis). The problem of antibiotic resistance is becoming ...

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