Justin Havird, Author at 51¶¯Âþ Science news and science articles from 51¶¯Âþ Sun, 12 Jul 2026 11:12:27 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 242057827 Why did sex evolve? Blame an ancient hook-up /article/2057881-why-did-sex-evolve-blame-an-ancient-hook-up/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Wed, 16 Sep 2015 17:00:00 +0000 http://mg22730393.100 2057881