Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.
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‘Normal’ body temperature varies from person to person by age, time of day, where it’s measured, and even menstrual cycle. External conditions also influence your thermometer reading.
Mammals’ ancestors had a third eye and the fossil record of its disappearance tells us the story of the evolution of one of our most important features: warm blood.
Dinosaurs may have been warm-blooded and active, contradicting theories that suggest they were cold-blooded and sluggish…
