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Human Urine and Frogs: How a Bizarre Pregnancy Test Helped Unleash a Global Amphibian Crisisand the devastating disease it spread because of us humans. British zoologist Lancelot Hogben was studying African clawed ...
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Where Do Humans Get Their Red Hair From? Scientists Have Traced It to a 10-Million-Year-Old Frog FossilOpen the Youtube video Knewz.com noted that pheomelanin was a yellowish-red pigment that produced ginger-colored hair in humans, but it did not mean that the fossilized frogs were the same color.
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