Galileo Galilei-Galileo (1564-1642) was the most successful scientist of the Scientific Revolution, save only Isaac Newton. He studied physics, specifically the laws of gravity and motion, and invented the telescope and microscope.
1 Stools that are black, tarry, or bloody.  You recognize symptoms of chemical or toxin food poisoning, such as vomiting, diarrhea, sweating, dizziness, tearing in the eyes, excessive salivation, mental confusion, and stomach pain, beginning about 30 minutes after eating contaminated food.
Generally you will begin to experience these symptoms around four hours after you have eaten the food, and there will be many of them. Take a look at these 10 symptoms of food poisoning and see if you have been affected by the unpleasant problem. 1. The first and most telling sign of food poisoning is nausea. The is the most common symptom and it will be the most significant, causing you to feel sick constantly, and resulting in vomiting that can last for quite some time. At first, you may feel as if you are going to vomit, but you wonât actually vomit.