By Bryn Nelson, CNN, Published 10:17 AM EST, Sun January 22, 2023
We are ever-changing and replacing old parts with new ones: our water, proteins and even cells. Faisal/Adobe Stock
In its violent early years, Earth was a molten hellscape that ejected the moon after a fiery collision with another protoplanet, scientists now suspect.
Dan Levitt’s book, “What’s Gotten Into You,” reconstructs the journey of our atoms across billions of years.
Later, it morphed from a watery expanse to a giant snowball that nearly snuffed out all existing life.
