Jacksonville Farmers Market: 7 a.m.-noon, Pathway Plaza, 1905 W. Morton Ave. | Fresh, locally sourced produce, homemade baked goods, handcrafted items and more. Every Saturday through Oct. 25.

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 ...