Dracula colombiana Baquero, Est.Domínguez & E.Parra, in Baquero, Vargas, Mesa et Parra-Sanchez, 2025. DOI: doi.org/10.11646/phytotaxa.706.1.6 Researchgate.net/publication/392798308 AbstractWe describe and illustrate Dracula colombiana sp.十一月。来自哥伦比亚东部安第斯山脉东部的一种新兰花物种,以前被误认为是Benedictii,私人收藏和商业贸易。新物种类似于
Can you solve it? How to have fun with straws
带有长纸圆柱的谜语,最热的拼图是“喝一根或两个洞?” (这场辩论会定期传播开来,对于那些想吸引其美味复杂性的人,我建议与数学家乔丹·埃伦伯格(Jordan Ellenberg)聊天。)今天的难题也与稻草有关,但争议性的却少得多。继续阅读...