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.
So in warm weather it doesnât take long for food to harbor enough bacteria to make you really sick. How Quickly Does Food Poisoning Start and How Long Does it Last? Food poisoning symptoms can begin as quickly as four hours or as long as 24 hours after eating contaminated food. People who eat the same contaminated food, say at a picnic or barbecue, will usually get sick about the same time. Symptoms can last three to four days or longer if you unknowingly continue to eat contaminated food. How Do You Treat Food Poisoning?