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.
These 10 animal facts will amaze you. The symptoms of food poisoning onset often feel like the flu, and they arrive within a few hours, generally no more than 12 to 18 hours, after eating the contaminated food. They will often cause feelings of headache and fatigue, and just an overall feeling of being unwell.