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 [...]