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4 days ago · Euphorbias with large leaves should have leaves just above the cut removed with a knife. The cut surface should be left to dry before planting, one or better several days for leafless species. Leafy Madagascan species need only dry a short time. Dusting the cut surface with a hormone rooting powder will help roots form.
5 days ago · Bio: Dan Brown is Professor of Computer Science at the University of Waterloo, where he has been a faculty member since 2000. His research is alarmingly interdisciplinary, ranging from finding rhyme in music lyrics to identifying genes in genome sequences to preventing problem gambling to theorizing about what makes for a high-quality review to teaching computers to write poetry and tell stories.
21 hours ago · James Gurney. May 29, 2024. ∙ Paid. In architecture and design schools, it's common to hear the claim that "golden mean" geometry was used in the design of ancient buildings, especially the Parthenon. According to mathematician Keith Devlin of the Mathematical Association of America, this is a groundless myth, with no basis in fact whatsoever.
3 days ago · Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (/ ˌ æ n dʒ i ə ˈ s p ər m iː /), commonly called angiosperms.They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of broad-leaved trees, shrubs and vines, and most aquatic plants.
1 day ago · A cactus ( pl.: cacti, cactuses, or less commonly, cactus) [3] is a member of the plant family Cactaceae ( / kæˈkteɪsiaɪ, - siːiː / ), [a] a family comprising about 127 genera with some 1,750 known species of the order Caryophyllales. [4] The word cactus derives, through Latin, from the Ancient Greek word κάκτος ( káktos ), a name ...
5 days ago · Abiogenesis. Stages in the origin of life range from the well-understood, such as the habitable Earth and the abiotic synthesis of simple molecules, to the largely unknown, like the derivation of the last universal common ancestor (LUCA) with its complex molecular functionalities. [1]
21 hours ago · Tolkien’s world is deeply rooted in mythology and legend. The epic tale of Middle-earth draws from various mythological sources, including Norse, Celtic, and Finnish myths. For instance, the character of Gandalf bears similarities to Odin, the Norse god, often depicted as a wise wanderer with a staff.
