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Busy pictures hinder reading ability in children

Reading is the gateway for learning, but one-third of elementary school students in the United States do not read at grade level. Researchers at Carnegie Mellon University are exploring how the design of reading materials ...

Biodiversity hypothesis called into question

Biologists have long considered the origins and continued coexistence of the immense diversity of species found in our environment. How can we explain the fact that no single species predominates? A generally accepted hypothesis ...

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