Research roundup: 7 cool science stories we almost missed

A University of British Columbia study found captive raccoons repeatedly explored multi-mechanism puzzles, suggesting information-foraging problem solving.

Researchers at Adelaide University reported that simulated microgravity reduced sperm navigation and cut mouse egg fertilization by about 30 percent, with progesterone partly mitigating the effect.

Conservators found a missing leaf (leaf 123) of the Archimedes palimpsest at the Musée des Beaux-Arts in Blois and plan multispectral and X-ray imaging to recover underlying text.