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Western tanagers are migratory birds that are present in Northern California in the spring and again in late summer. A new study shows that observations by 'citizen scientists' using apps such as ...

These simple, DIY science experiments for kids will help combat "summer slide" — and your kids will be having so much fun, they won't even notice that their brains are getting a workout. The best part ...

PHILADELPHIA (WPVI) -- Everyone knows it's cold it is outside. The entire Philadelphia region has remained below freezing for the seventh day in a row, with little relief in sight. But we are tapping ...