You can give your old mattress away, recycle it, or even sell it. If you’re feeling creative, you could upcycle the springs into decorations or make a pet bed out of memory foam. Some people even use mattresses as compost!
: Blue whales eat half a million calories in one mouthful.
Just try to wrap your brain around the second part of this animal fact: Those 457,000 calories are more than 240 times the energy the whale uses to scoop those krill into its mouth.