Uncategorized
- Planetary Science
More Mars—Better than Ever
On Aug. 27, Mars and Earth were closer to each other than at any other time in the last 50,000 years. Even as Earth and Mars slowly draw apart, the Red Planet remains a dazzling sight in the night sky. There’s still time to take in the view. Go to: http://science.nasa.gov/headlines/y2003/08sep_goaway.htm?list110076
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What would sessile organisms do with information provided by the light from “their meals?” Just because spicules on a sea sponge transmit photons doesn’t mean that that’s their function. David ConteyBoulder, Colo. Each Euplectella sponge houses a pair of bioluminescent shrimp. The researchers speculate that the spicules transmit the shrimps’ light into the sponge’s surroundings.
