Top 10 Science magazine`s breakthroughs of 2006:
# The Poincare Conjecture: Russian mathematician Grigory Perelman apparently solved the venerable mathematical problem.
# Neanderthal DNA: Researchers sequenced more than one million bases of nuclear DNA from a Neanderthal.
# Shrinking Ice: Discovery that the world`s two great ice sheets were losing water at an accelerating pace.
# 375-million-year-old fish: filling an evolutionary gap between sea creatures and land animals.
# Invisibility cloak: The building of a cloaking device that renders an object invisible to microwaves.
# Macular degeneration: Drug ranizumab improved the vision of about one-third of patients with an age-related condition.
# Understanding of how species arise: Studies on the fruit fly and on butterflies aided our understanding of how species arise.
# Structure of cells and proteins: New techniques to get clearer view of the fine structure of cells and proteins.
# Memory: Insights into how the brain records new memories.
# RNA molecules: New class of small RNA molecules discovered that shut down gene expression.