Your brain doesn't just gently float off to dreamland. A special switch flips when you get really sleepy. Scientists saw this quick change happening right before sleep begins. This helps understand w…
Smart bumblebees learned to see if lights flash fast or slow. They can tell which light flash means yummy sweet juice. This helps the fuzzy bees find their tasty rewards. It is like they are learning…
Sleeping soundly helps your brain grow and stay healthy. Deep sleep is like a shield for your memory. It helps you remember things better even when you're older. Getting good sleep is a fun way to ke…
Scientists are finding clever new ways to test medicines without animals. Computer brains and pretend body parts can help us learn. Fewer mice and other animals will be used for testing soon. This is…
Scientists found a little bug that can cause bad skin sickness. This bug gets inside our bodies and tells skin cells to grow wrong. It even hides its own code inside our body's instructions. Finding …
Twinkling stars are about to put on a spectacular show for you. You can see many bright shooting stars zooming across the dark sky. These fast stars come from a cozy cloud of space dust. Grab a blank…
Birds sing happy songs when the sun starts to come up. Scientists think they sing more if they have to wait for morning. In dark rooms, the birds don't sing their happy tunes. Singing helps birds get…
Sometimes medicine for a headache can actually make it worse. This happens when you take too much medicine for a long time. Doctors can help you stop the medicine and feel better. It's important to t…
Super smart Maya people watched the sky a long time ago. They figured out when the moon would hide the sun. A special book helps us understand their amazing star secrets. This shows they were great a…
When something scary happens, most people want to help others. It's not true that everyone just runs away from danger. Folks naturally help each other when there is a big problem. We can all be brave…
Wow, detectives can now find secret fingerprints on bullets! These tiny prints show all the little lines on your fingers. Before, the hot bullets made the fingerprints disappear completely. This amaz…
A special pill that helps people sleep might not be so good. Scientists found it could possibly hurt children's and grown-ups' hearts. Using it for a super long time seems to make hearts weaker. We n…
Some lakes in the Amazon are super warm, like a warm bath. It's so hot, the water is too hot for tiny fish to swim. Sad dolphins are getting sick because the water is too hot to live in. Scientists a…
A cool new word, 'vibe coding,' won a special prize. It means telling computers what to do using your voice. This word shows how computers are getting smarter and friendlier. Our special words keep c…
A super big old Maya city looks like a giant cross shape. This special place was built like a map of the whole universe. Nobody seemed to boss everyone around when they built it. It shows friends can…
Some scientists think yummy bacon might need a warning sign. The special stuff in bacon could make tummies sick. Eating too much might make a tummy ache more often. It is time grown-ups think hard ab…
