There are many poisonous plants that look beautiful in gardens, including Nicotiana alata. All parts of this plant contain ...

Studies of Natural and Artifical Parthenogenesis in the Genus Nicotiana This is the metadata ... were secured by the use of anaesthetic and toxic gases. 9. The injection of chemicals into the stems of ...

At Chavín de Huántar, archaeologists discovered a network of hidden rooms they called galleries, built into the larger stone ...