Joseph Silk, Author at 51¶¯Âþ Science news and science articles from 51¶¯Âþ Sun, 12 Jul 2026 11:04:58 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 242057827 We need philosophers to tackle the big cosmic puzzles /article/1998199-we-need-philosophers-to-tackle-the-big-cosmic-puzzles/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Wed, 05 Mar 2014 18:00:00 +0000 http://mg22129590.400 1998199