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Eat dirt, maybe pick your nose, skip the vitamin C: Tips for keeping your immune system at its best. https://t.co/v9eGhIurVM
In almost every mammalian species, the baby cries and adults respond -- fast. Why? https://t.co/6oiKCE8bMG
Here’s a reminder of how beautiful our planet is https://t.co/BbST50xKH4
Take these maps of Pluto and its largest moon for a spin https://t.co/BmO5xWXH1c
It's a ball of gas with the energy of hundreds of billions of suns https://t.co/zA8vQf4H06
To Mars, a solar storm can feel like a million tons of TNT an hour via @kchangnyt https://t.co/pAJQhKyiOA
There's so much to learn from carnivorous plants (as long as they don't digest you first) http://t.co/MsUxCFq0bb