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7 ‘facts’ you learned in school that are no longer true

student classroom

Over time, even facts we consider steadfast truths can change. People used to think doctors could forgo washing their hands before surgery. Knowledge is ever-evolving.

The seven ideas below probably changed since your school days. Re-educate yourself.

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THEN: Pluto is a planet

NOW: Pluto isn’t a planet

We’ve known since the late 1800s that a ninth planet, after Uranus, potentially existed. In 1906, Percival Lowell, the founder of the Lowell Observatory in Flagstaff, Arizona, even began a research project intended to locate the mysterious read more >>>

Source:: BusinessInsider.Com