Fever!

Have you ever wondered why overheating on a hot day and getting a fever when you're sick feel so different? Both involve an increase in your body's temperature. However, in one case your brain and body do everything they can to cool you off, while in the other they push the temperature inside your body to extreme levels. This video describes these two responses in detail and takes some of the mystery out of fever. This video is available in both English and Spanish with closed captions. CREDITS: https://www.pbslearningmedia.org/credits/tdc02.sci.life.reg.fevervid/ LICENSE: https://www.pbslearningmedia.org/help/full-license-for-section-3c-of-terms-of-use-download-and-share/

LicenseCustom License

More videos by this producer

The Ocean: A Driving Force for Weather and Climate

Learn how the ocean relates to weather and climate in this video from NASA. Uneven heating from the Sun drives ocean and atmospheric circulation. Animations and satellite data show how ocean currents and eddies distribute energy and nutrients around the world. Heat exchanges between the ocean and th

The Index of Refraction and Snell’s Law

In this video from the ICT Center, learn about the index of refraction and Snell's law. Review a simple example of refraction, the speed of light in materials and the formula for calculating the index of refraction. Explore a table of the refractive indices of common media and materials used in fibe

Career Profile: Research Assistant Sandra Bustamante

Hear how a research assistant got her start in biotechnology — Sandra fell in love with science during her certificate program in Boston, Massachusetts. The video details not only Sandra's cutting-edge research work — using nanotechnology, rather than needles, to deliver vaccines — but also the qual