Natural loofah sponges actually come from the fruits of vine-growing Luffa plants. These plants are part of the gourd family (Cucurbitaceae) making them relatives of watermelons, cucumbers and ...

which originates from a poppy plant, and exenatide which mimics a hormone in Gila monster saliva and can help treat type 2 diabetes. Scientists have also taken to the seas to look for new sources of ...