Bees sting other animals, including humans, when they think there might be a threat to their hive. But Evie, age 8, wonders if bees ever accidentally sting other bees.
How exactly do the stars twinkle in the night sky?As it turns out, the answer is full of hot air... and cold air.
In the small village of Nashtifan, Iran, some of the oldest windmills in the world, with what may be the earliest windmill design in the world, still spin.
This machine sorts small candies (M&Ms and Skittles) by color. It was designed and built by Netherlands-based New Zealander Willem Pennings, who is studying Mechanical Engineering at Eindhoven Univers
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