Researchers examined three ice core records to identify lead pollution levels in the Arctic between 500 BC to 600 AD.
The term "political rock star" has not been applied to many Canadian leaders, but when Justin Trudeau stormed into office in ...
Canada's Prime Minister Justin Trudeau announced his resignation Monday, saying he will leave office as soon as his party chooses a new leader as slumping polls and internal division took ...
Whales enjoy long-distance relationships - synchronizing their dives with pals 60 miles away, suggests new research.
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