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The real reason why eggs come in so many shapes and sizes may be childishly simple

Lightning: How much do you know about this striking weather phenomenon?

Google will never be a substitute for your brain

California is generating so much solar energy, it's paying other states to take it

Kazakhstan's Altyn Emel boasts deserts, forests — and a sand dune that sings

Your memories can now be selectively erased

At what age should kids master these life skills?

Why doesn't anyone want to play with this baby elephant?

Tablet for dogs will allow service animals to call 911

How do you make refugees feel more welcome in your community? Invite them to dinner

Just because your baby is crying doesn't mean you should feed her, research says

Portugal's threatened rural landscape earns protective designation