Neon and argon isotopic ratios remain the same throughout the solar wind in samples returned by Genesis, ruling out some solar models that predicted changes.

Massive releases of icebergs into the North Atlantic during the last glacial period, and the associated storminess, periodically mixed the ocean to greater depths than usual.

An enzyme is described that removes methyl groups from a lysine in a human histone protein, a modification thought to help regulate gene expression.