Genetics

Mom's smoking alters fetal DNA

A study of over 6,000 mothers and their newborn children—one of the largest studies of its kind—solidifies the evidence that smoking cigarettes while pregnant chemically modifies a fetus' DNA, mirroring patterns seen ...

Surgery

Repairing tendons with silk proteins

Just mentioning a ruptured Achilles tendon would make anyone wince. Tendon injuries are well known for their lengthy, difficult and often incomplete healing processes. Sudden or repetitive motion, experienced by athletes ...

Genetics

Mysterious DNA modification seen in stress response

With advances in genomics, scientists are discovering additional components of the DNA alphabet in animals. Do these unusual chemical modifications of DNA have a special meaning, or are they just signs that cellular machines ...

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