by Meghna Rangarajan | Apr 26, 2025 | Student Blogs
How We Get Vitamin D Your body makes Vitamin D with a little help from the sun. When sunlight hits your skin, it triggers a chemical reaction that produces Vitamin D. Vitamin D starts as an inactive form called 7-dehydrocholesterol in your skin. UVB rays from sunlight...
by Meghna Rangarajan | Apr 26, 2025 | Student Blogs
The Science Behind Color Vision Our eyes see color by detecting light and translating it into signals the brain understands. Light travels through the cornea, pupil, and lens, and is focused on the retina at the back of the eye. The retina contains two types of...
by Meghna Rangarajan | Apr 17, 2025 | Student Blogs
The Science of Sneezing Sneezing is your body’s powerful way of protecting your airways from harmful irritants and getting rid of things that can make you sick or cause inflammation. A sneeze starts when something irritating — like dust, pollen, or pepper — enters...
by Meghna Rangarajan | Apr 13, 2025 | Student Blogs
Thermal Energy & Heat Transfer Thermal energy is the energy of moving particles; heat transfer is how that energy moves from hotter objects to cooler ones. All matter is made of constantly moving particles — the faster they move, the hotter the object. Heat always...
by Meghna Rangarajan | Apr 12, 2025 | Student Blogs
How Solar Panels Work Solar panels capture sunlight and transform it into usable electricity through the photovoltaic effect. Solar panels consist of many solar cells, which are usually made from silicon, a material that easily moves electrons. When sunlight hits...
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