Canaries in a coal mine? It's more than a metaphor, and it preceded the first 'bring your pet to work day' of the 21st Century. It's a scientific fact that coal miners use to carry caged canaries into their coal mines for security purposes.
How good are you with animals? How good are you with a camera? How good are you with contests? If you responded YES to all three questions, you may qualify to win on upwards of $500 in a photo contest with a January 2, 2019 deadline.
Fainting, or syncope, is usually caused by a lack of oxygen in the the brain. Symptoms often include falling down, blurred vision, and confusion. Possible causes include dehydration, low blood pressure, alcohol use, and/or diabetes.