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.
Doctor answers on Symptoms, Diagnosis, Treatment, and More: Dr. Chiu on how long can food poisoning take to kick in: Minutes for heavy metal poisoning, hours for staph food poisoning, several days for salmonella or campylobacter and months to years for the human form of mad cow disease. for topic: How Long Can Food Poisoning Take To Kick In