Sharks Were Almost Wiped Out 19 Million Years Ago

Sharks Were Almost Wiped Out 19 Million Years Ago
Wyland/NOAA via AP

Sharks have been swimming and hunting in the world's oceans for 450 million years, and though their numbers have recently declined because of human activity, they're still with us. But the world once had many more, and many more varieties of, the large marine predators compared to today.

Read Full Article »


Comment
Show comments Hide Comments


Related Articles