Ancient glaciers reshaped Earth’s surface, fueling the rise of complex life on Earth, scientists say

Glaciers once inched toward the sea, gouging rocks. When the ice masses melted, they infused oceans with nutrients that may have shaped how life evolved, a study found.

​ Glaciers once inched toward the sea, gouging rocks. When the ice masses melted, they infused oceans with nutrients that may have shaped how life evolved, a study found. Read More Breaking News, Latest News and Videos | CNN