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NASA engineers are designing spacesuits for exploring Mars and beyond. Years of being a NASA engineer have led Lindsay Aitchison to a surprising place. She spends a lot of time thinking about dust. How to keep it out of a…
New Zealand plans to get rid of rats, possums, and other invasive mammals. The country hopes to save native birds. Rats are not many people’s favorite animal. But most people have to learn to live with them. Not in New…
A nonprofit group collects used soap from hotels to make new soap. The group is changing lives in Cambodia. Samir Lakhani was in college when he first visited Cambodia, a nation in Southeast Asia. The trip changed his life. In…
The North American bison is now the official national mammal. What does the honor mean for the animal’s long-term survival? For 234 years, the bald eagle has been the U.S. national animal. But in May, President Barack Obama signed a…
Vultures play an important role in ecosystems. With vulture populations dropping fast, researchers are racing to save these strange birds. Vultures are often seen as scary creatures. Their bald heads, huge wings, hooked beaks, and long necks make the birds…
Matthew Shifrin got his first tub of Lego blocks when he was 5. "I've been in love with Legos ever since," he says. Shifrin is blind. Now 18, he has spent years trying to make Legos easier for blind kids…
