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What are the differences between drugstore brand and expensive salon brand shampoos? Do you really get what you pay for? We will test these shampoos and examine hair structure under the microscope to ...

We've heard that many animals are colorblind. We generally understand colorblind to meanthat you cannot see any colors. Can dogs only see in black and white, or can they see other colors too?Let'stest ...

Does your grass like to have a top hat, or does it turn a little yellow at the thought? Are you in the dark about what plants need to grow well? Add and subtract light from your lawn and see if the gr ...

How do green plants become green? They actually use light to create a pigment called chlorophyll, which gives them their green color. But which wavelengths of light allow them to create chlorophyll? F ...