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About half a million kids ages 1 to 5 have elevated blood lead levels.

The risk of violent thunderstorms, some capable of producing a tornado will progress slowly eastward across the Plains Tuesday and Wednesday.

No worries, the outbursts of gamma rays don't reach truly dangerous levels.

Facts about North Korea gleaned from peeks inside the reclusive nation.

Dream interpretation, numerology, palmistry, phrenology — and other methods of predicting the future — don't work.

Researchers discover how bees learn from other bees.

Oh, and it's venomous, too.

This week we found a gigantic tarantula, a decline in the vole population, a mimicking monkeys and so much more. Check these out!

Health officials know of 24 people who've fallen ill with a new strain of bird flu in China, seven of whom died.

Purple sea urchins are a genetically diverse species, and are able to adapt to stresses like rising CO2 levels.