Sharks may not be the sharp-toothed silent type after all. The clicking of flattened teeth, discovered by accident, could be “the first documented case of deliberate sound production in sharks,” ...
The two-toned whinnies could help horses convey multiple messages at the same time. The differently pitched neighs may help ...
"Quick Tips: Resources for Teachers” is a series of short videos providing down-to-earth advice and instructional tips to teachers of STC™, our signature science curriculum. Each “Quick Tip” offers ...
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