Portal:Science/Did you know

• Big Bang Afterglow Fails An Intergalactic Shadow Test The apparent absence of shadows where shadows were expected to be is raising new questions about the faint glow of microwave radiation once hailed as proof that the universe was created by a "Big Bang." Moondaily. September 3, 2006.
• A cool solution to waste disposal A group of physicists in Germany claims to have discovered a way of speeding up radioactive decay that could render nuclear waste harmless on timescales of just a few tens of years. Physicsweb. July 31, 2006