Sports once focused on muscles, skill and tactics. Now math is becoming almost as important. It helps assess players — and improve their tools.
Light shining through a water droplet can make more than just a rainbow. A range of other colorful arcs also can develop.
Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet.
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This iconic chart holds information about all the known elements. As more are discovered, the table expands.