Here's how much aluminum and steel the U.S. buys from Canada
On Monday, U.S. President Donald Trump is expected to announce a 25 per cent tariff on all aluminum and steel imported into the country, including from Canada.
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Whale poop contains iron that may have helped fertilize past oceans
A recent theory proposes that whales weren't just predators in the ocean environment: Nutrients that whales excreted may have provided a key fertilizer to these marine ecosystems. Oceanographers now ...