The renewal of the Conservative Party is a leading explanation for this progress but the Campaign North initiative also deserves enormous credit (as we have noted before): (conservativehome.blogs.com)
One of the leading explanations would have beggared the imaginations of even the most inventive medieval mapmakers: Primordial collisions between the young Earth and other protoplanets forced mantle material into the core, providing the heat that kick - started Earth's geodynamo. (discovermagazine.com)
Evidence for Flowing Water on Mars Grows Stronger Liquid remains the leading explanation for newly discovered streaks on Martian slopes (scientificamerican.com)