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Articles on Curious Kids US

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Download this collection of articles, or read them here. The Conversation

A sampler of our most popular articles of 2022

A selection of fact-based journalism from 2022, covering topics ranging from super-earths to mosquito magnets, and from why we need to file tax returns to why we can’t just throw all our trash into volcanoes.
Turkeys have always been a fixture in the holiday’s marketing. Transcendental Graphics/Getty Images

Why is turkey the main dish on Thanksgiving?

A mix of New England and British traditions and historical events led to the particular poultry you’ll find on Thanksgiving tables everywhere.
The Seli’š Ksanka Qlispe’ Dam provides enough electricity for about 147,000 homes in the Flathead Indian Reservation in Montana. Martina Nolte via Wikimedia Commons

What is hydroelectric energy and how does it work?

How does flowing water make electricity? An engineer explains hydroelectric generation.
Participants in the Indigenous Peoples Of the Americas Parade in New York City, Oct. 15, 2022. Alexi Rosenfeld/Getty Images

What makes someone Indigenous?

Geographic, cultural and political identity are all part of being Indigenous.
Amazon workers sort packages for delivery on East 14th Street in New York City, July 12, 2022. Michael M. Santiago/Getty Images

How many Amazon packages get delivered each year?

The rise of e-commerce means billions of packages are delivered in the US each year. That creates traffic and pollution, but urban freight researchers are finding better way to get goods to customers.
Cash is pretty convenient. Dilok Klaisataporn/EyeEm via Getty Images

Why does money exist?

Paying for the stuff you want with currency is way easier than relying on chairs you made or chickens you raised.
Science shows that humans are happier and healthier around other animal and plant species. Artur Debat/Moment via Getty Images

Do humans really need other species?

People wouldn’t last long without the countless other species we depend on for survival.
Dogs use their tails to communicate. Eastimages/Moment via Getty Images

Why do animals have tails?

An anthropologist explains some of the many ways animals use their tails, from balancing as they walk to attracting a mate.
A great hammerhead shark’s two eyes can be 3 feet apart on opposite sides of its skull. Ken Kiefer 2/Image Source via Getty Images

Why do hammerhead sharks have hammer-shaped heads?

The first hammerhead shark was likely the result of a genetic deformity. A biologist explains how shark DNA reveals hammerheads’ history.

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