Scientists thought the Arctic was sealed in ice — they were wrong

ScienceDaily
Jul 5, 2025, 9:40 am298 ptsTop
For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired with cutting-edge climate simulations, show that the Arctic actually remained partially open, with seasonal sea…

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