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NASA

Pluto conditions: hazy with flowing ice

Written by Marcia Dunn, AP Aerospace Writer CAPE CANAVERAL, Fla. (AP) — Pluto is hazier than scientists expected and appears to be covered with flowing ice.

Washington University

The link between sleep and alzheimer’s

Written by Lauran Neergard WASHINGTON (AP) — To sleep, perchance to… ward off Alzheimer's? New research suggests poor sleep may increase people's risk of Alzheimer's disease, by spurring a brain-clogging gunk that in turn further interrupts shut-eye.

Pluto

It’s showtime for Pluto; prepare to be amazed by NASA flyby

BY MARCIA DUNN, AP Aerospace Writer CAPE CANAVERAL, Fla. (AP) — Pluto, reveal thyself, and Earthlings, enjoy the show.