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For a dose of pure wilderness, check out Finland's 40th national park

These sunglasses are designed to admit more blue light and make you happy

Here's some dating advice: Ask questions

Roundup weed killer deemed a carcinogen, at least in California

The invisible becomes visible with schlieren imaging

Best use of drones ever? Planting a forest

How lizards find their way home

Finches add cigarette butts to their nests to ward off pests

Why dogs all over the world owe this 'ugly' dog a debt

There's a link between your birth month and certain diseases

This fast-food restaurant is testing a new 'blended burger'