For more than a century, heparin has been the go-to anticoagulant to prevent harmful blood clots in blood vessels or the heart from forming or getting larger. However, a major side effect is an increased risk of excessive bleeding, even from minor injuries like small cuts on the skin. In ACS Central Science, researchers report the discovery of a snail-derived compound that blocks clot formation while still preserving bleeding control in mouse models. ...read more read less