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A study on bird feeders and beak sizes shows how an everyday human activity can affect the evolution of another species.

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Many people have had children using assisted reproductive technologies. But some of these techniques can raise some ethical issues.

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Your brain uses two different areas to process visual information. Read on to learn how you process faces - and why you sometimes see them in places they don’t exist (like electric sockets)!

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Hormones don’t just strike at puberty. They’re working in your body all the time, throughout your life, helping different parts of your body communicate and work together.

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Premature babies are at risk for all kinds of complications. But have scientists found a new way for these babies to develop outside the womb?

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Did you know that rainbows are actually beautiful optical illusions? We see them thanks to the reflection and refraction of light.

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Your cells work thanks to a team of structures called organelles. Each of them has an important job!

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In this growing field, chemists look at the environmental impact and sustainability of man-made chemical products and processes.

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You don’t have to pedal harder to go faster. You just have to understand a little bit about forces and physics!

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Many factors contribute to species extinction. Let’s explore three factors caused in part by human activities.

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