Animals communicate by sound, such as a tiger’s roar. But the roar can mean different things depending on its tone and volume. It could mean: GET AWAY!!! Let’s Play Come and Share the Food I Found. Tigers are also known for communicating with their tails . The position and motion of a tiger’s tail sends […]
Transpiration
Janice VanCleave describes a fun transpiration investigation with ideas for further investigations. Good ideas for science fair projects.
Backbone
QUESTION: Why does my backbone bend? ANSWER: All the bones of your body make up the skeletal system. This system provides the framework that allows you to stand upright and protects delicate internal body parts. An adult has about 206 bones. The number of bones varies from person to person because of the differences in […]
Flying Squirrels
QUESTION: Can squirrels really fly? ANSWER: Squirrels do not fly, but there is a type of squirrel that has special flaps of skin that extend from their front legs to their hind legs. When these squirrels leap from one tree branch to another, their skin is stretched out like sails to help the squirrel glide […]
Biochemistry: Bromelain
Question: Why does my tongue hurt when I eat fresh pineapple? Answer: Fresh pineapple has bromelain, which is the mixture of two protein-digesting chemicals. Your tongue, and lips as well as the tissue inside your mouth is made of protein which the bromelain can and does digest. YIKES! 1. Can you eat too much pineapple? […]
Brain: Decoding Messages
When your skin is touched, nerves at the surface of your skin send messages to your brain. In this articles, information is given about how the brain can be tricked into incorrectly processing nerve messages.
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