Society has tended to describe adulthood as starting at around 18 to 21. And most people may appear fully adult by then. But such looks can be deceiving. The brain…

Objective: Build your own seismograph Time required: 20–30 minutes Key concepts: earthquakes, mass, vibration Credits: Ben Finio, PhD, Science Buddies Scientists study earthquakes to be able to understand them better…

Equilibrium (noun, “Eek-wil-LIB-ree-um”) Equilibrium refers to a state that remains steady or balanced over time. Such an unchanging state doesn’t have to be at a total standstill. Instead, imagine equilibrium…

Crack open a book on primates — the group that includes humans, apes, monkeys and lemurs — and you’ll likely read that these creatures evolved in hot, humid places. This…

A visitor to Rock Creek Park in Washington, D.C., in the early 1990s might have chanced upon a strange sight: a troop of monkeys with brilliant orange fur and long, twiggy…

Much like his ninja namesake, Naruto the white-lipped peccary was a bit of a loner. Naruto was named after the main character from a popular manga and anime. He was…

Carbon dioxide is a climate-warming greenhouse gas. Trees are renowned for capturing it as they grow. But through microbes in their bark, trees soak up other major climate gases, too,…

Dozens of millennia-old Arabian cheetahs lie frozen in time. Researchers uncovered the ancient skeletons and mummies in Middle Eastern caves. No wild cheetah has roamed this region for decades. But…

In the Pokémon world, Pikachu is a chubby yellow mouse. It may look cute and harmless — but don’t be fooled. When its red cheeks start sparking and it whips…