Iron Age cargoes from Dor reveal how ancient Mediterranean trade evolved alongside shifting empires and political power. New findings from researchers at the University of California San Diego and ... Read more Iron Age cargoes from Dor reveal how ancient Mediterranean trade evolved alongside shifting empires and political power. New findings from researchers at the University of California San Diego and the University of Haifa are changing how scholars understand ancient seaborne trade in the eastern Mediterranean. Recently published in Antiquity, the study reports the first documented [...] Show less

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 Lepanthes vespertina Bogarín, M.Rodríguez & L.Ulloa, in Bogarín, Rodríguez-Cáceres et Ulloa-Vargas, 2025. DOI: doi.org/10.11646/phytotaxa.714.3.4&n... Read more  Lepanthes vespertina Bogarín, M.Rodríguez & L.Ulloa, in Bogarín, Rodríguez-Cáceres et Ulloa-Vargas, 2025. DOI: doi.org/10.11646/phytotaxa.714.3.4 Researchgate.net/publication/394682026 AbstractLepanthes is the second most diverse orchid genus in Costa Rica, with 165 recorded species, 31.5% of which are endemic. Several new species have recently been described as part of the Flora Costaricensis–Orchidaceae project led by the Lankester Botanical Garden. However, the taxonomy of Lepanthes still presents historical gaps, particularly regarding collections made by botanist A. R. Endrés between 1866 and 1870, some of which remain poorly documented. In this study, we describe and illustrate a new species, Lepanthes vespertina, which is morphologically similar to L. umbonifera, a species originally collected and illustrated by Endrés in 1867 and described by C. Luer in 1995. To confirm the identity of the new species, we conducted field collections in the province of Cartago and reviewed herbarium specimens, digital types, and Endrés’ original illustrations. The new species differs from L. umbonifera by its ruby-colored, obovate petals (vs. cinnabar-red, cuneate petals in L. umbonifera). The labellum is bilaminate, with obovate blades that converge beneath the apex of the column (vs. ovate, straight, and separated blades in L. umbonifera), and it bears a cylindrical, pubescent, and bifid appendix (vs. globose and apiculate). The results clarify some taxonomic uncertainties derived from Endrés’ historical records and demonstrate the importance of incorporating illustrations from old collections into modern taxonomic work.Augustus R. Endrés, illustration, Lepanthes umbonifera, Lepanthes subdimidiata, new species, Monocots Lepanthes vespertina Bogarín, M.Rodríguez & L.Ulloa, sp. nov.  Etymology:—Derived from the Latin vespertinus, belonging to the evening, and referring to the colour of the petals, which are like those of a sunset. Diego BOGARÍN, Marisal RODRÍGUEZ-CÁCERES and Lisseth ULLOA-VARGAS. 2025. Lepanthes vespertina (Orchidaceae: Pleurothallidinae), A New Species from Costa Rica. Phytotaxa. 714(3); 237-245. DOI: doi.org/10.11646/phytotaxa.714.3.4 [2025-08-13] Researchgate.net/publication/394682026_Lepanthes_vespertina_a_new_species_from_Costa_Rica Show less

Plastic pollution is not just in oceans and soil. Scientists have now found enormous amounts of microscopic plastic floating through urban air, far exceeding earlier estimates. Road dust and rainfa... Read more Plastic pollution is not just in oceans and soil. Scientists have now found enormous amounts of microscopic plastic floating through urban air, far exceeding earlier estimates. Road dust and rainfall play a major role in moving these particles through the atmosphere. The findings suggest the air may be one of the most important pathways for plastic pollution. Show less

A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among Jurassic marine reptiles. A nearly complete skeleton discovered along the... Read more A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among Jurassic marine reptiles. A nearly complete skeleton discovered along the UK’s Jurassic Coast has been identified as a previously unknown and rare species of ichthyosaur, a prehistoric marine reptile that once dominated ancient seas. The dolphin-sized species, named [...] Show less

University of Washington U.S. adolescents spend more than one hour per day on smartphones during school hours, with social media accounting for the largest share of use, according to...

Increased exposure to ultraprocessed food is linked to an increased risk for weight gain. Medscape Medical News