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Chameleons change their skin color to match their surroundings. Scientists recently discovered even their bones get into the act! Bones glow under fluorescent light, but chameleons’ bones fluoresce through their skin. The bones display patterns, especially on the head and face. It may let chameleons communicate without breaking cover and attracting predators.
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Ancient dog bones from an archaeological dig in Germany provided new clues about how dogs evolved from wolves. The 5000 to 7000 year-old bones held DNA that suggested dogs were domesticated 30,000 years ago and then migrated around the world. Dogs from India, Ireland and Germany all have common ancestors. Your dog’s great-great times 4000 grandpa was a wolf!
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