ArticlesSort byDateMost upvotedMost commentedCategories View AllBeauty/FashionBusiness/FinanceControversyEntertainmentHealthLifestyleMovies/TVMusicParentingPoliticsRelationshipsScienceSportsTechnologyUS newsScienceDec 24Are out-of-body experiences real?1216ScienceNov 16Are humans becoming more intelligent with every generation?1313ScienceAug 18Should we spend money and resources colonizing Mars?2436ScienceMay 10Do ghosts really exist?2744ScienceApr 30Should we invest in solar/wind energy or in nuclear energy for our future energy needs?8642ScienceMar 12Do science and religion contradict?51128ScienceMar 12Have aliens visited Earth?1834