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Pacific Ocean Currents
The arrows show the direction of ocean currents recorded by William Dampier while...
An archaeologist arranges a deep-sea core from off the coast of Britain. These...
Where ocean currents were strong, ancient rudist “recliners” lay unattached on...
Like the modern nautilus, this relative of modern squid hunted from inside the safe...
Rudist clams are mollusks that went extinct about 65 million years ago. They were...