Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it.[2]. Why do people have two sets of teeth? – Ivy D., age 11, Hyde Park, New York Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink
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James Dewey Watson was an American molecular biologist most known for co-winning the 1962 Nobel Prize in physiology or medicine[1] for discovering the structure of DNA and its significance in transferring information in living systems. The importance of this discovery cannot be overstated. It unlocked how genes work and gave birth to the...

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When most people think about immigration enforcement, they picture border crossings and airport checkpoints. But the new front line may be your social media feed.

U.S. Immigration and Customs Enforcement has published a request for information[1] for private-sector contractors to launch a round-the-clock social media monitoring program[2]. The...

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Modern beer production is a US$117 billion business[1] in the United States, with brewers producing over 170 million barrels[2] of beer per year. The brewing process is time- and energy-intensive[3], and each step generates large amounts of waste.

Solid components such as used grains and yeast from this waste end up in landfills, where...

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