World Blood Donor Day 1868. World Blood Donor Day celebration brings a precious opportunity to all donors for celebrating it on national and global level as well as to commemorate the birthday anniversary of the Karl Landsteiner (a great scientist who won the Nobel Prize for his great discovery of the ABO blood group system). The theme for Blood Donation Day in 2018 is 'Be there for someone else. Give blood. Share life' The theme for Blood Donation Day in 2017 focus on blood donation in emergency situations. The first response when an emergency happens is "What Can You Do?" and the answer is
Nobel Prize controversies Hiroshi Amano and Shuji Nakamura for the blue light-emitting diode, did not recognize the decades of incremental work in developing the LED by other pioneers such as Oleg Losev and Nick Holonyak, and did overlook the actual inventor of the blue LED: Herbert Paul Maruska. The 2010 Nobel Prize in Physics was awarded to Andre Geim and Konstantin Novoselov of the University of Manchester "for groundbreaking experiments regarding the two-dimensional material graphene". Several problems with the factual accuracy of the supporting documents issued by the Nobel committee have been pointed out, including that they seem to wrongly attribute the discovery