Oceans are salty because rivers carry minerals like sodium and chloride from rocks on land, gradually adding salt over ...

Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

How many legs do insects have? Insects have six legs. These legs are attached to the central part of an insect's body, the thorax, and they are controlled by muscles in the thorax. Insects have hearts ...

Scientists recently announced they had found potential signs of life on a planet 124 light years from Earth. While the bold claim has been challenged, the mere prospect is enough to inflame a ...

We’re often told to “follow the science” — a comforting phrase that suggests clarity, objectivity, and consensus. But in today’s hyperpolarized world, even science itself has become a political ...