Myth: Your blood turns blue when it’s out of oxygen.
Reality: Your blood is never blue: It turns dark red when it’s not carrying oxygen. Blood only looks blue because you… more
Myth: Summer is warm because you are closer to the sun.
Reality: The northern hemisphere of the Earth is not closer to the sun when it is summer, nor is the southern… more
Myth: Diamonds come from coal.
Reality: Most diamonds aren’t formed from compressed coal. Instead, they’re carbon that is compressed and heated 90 miles below the… more
Myth: There was a global warming pause.
Reality: Earth’s average surface temperature hasn’t really budged since the start of the 21st century, but 70% of the planet is… more
Myth: Mount Everest is the tallest mountain on Earth.
Reality: The world’s tallest mountain technically is not Mount Everest. Mount Everest is the tallest mountain above sea level, but… more
Myth: An Apple a day keeps doctor away
Reality: Apples are packed with vitamin C and fiber, both of which are important to long-term health, but they aren’t all… more