In 1991 M. Joyner wrote a paper modeling the optimal marathon performance on the basis of physiological factors and predicted a time of 1:57:58 under limit conditions. Yesterday Eliud Kipchoge ran a marathon in 1:59:40, breaking the 2h barrier!https://t.co/GKOHiz30CQpic.twitter.com/bcF9ArqtTi
A beautiful, 165 million year old fossil octopus from France. The preservation is stunning!!! (Image Kruta et al. 2016) #FossilFridaypic.twitter.com/7ITHk3YmtN
