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critical thinking


Rufous Hummingbird
I took this photo of a female Rufous Hummingbird at our bird feeder today. Why are hummingbird feeders red?


Glowing soda bottle
Is it true that you can mix common, household chemicals with a popular carbonated soda to make it glow in the dark?


Praying Mantis
This Praying Mantis has taken up residence on my lamp, coming out every night to catch some of the insects the light attracts. Why are insects attracted to lights?


Corn and other genetically modified organisms, often called GMOs, have been in the news recently. Why do diabetics like GMOs?