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A Moment of Science is a daily audio podcast, public radio program and video series providing the scientific story behind some of life s most perplexing mysteries. ....
The geologically-complex Indo–Australian–Melanesian archipelago (IAMA) hosts extraordinarily high levels of species richness and endemism and has long served as a natural laboratory for studying biogeography and evolution. Nonetheless, its geological history and the provenance and evolution of its biodiversity remain poorly understood. Here, we provide a geological scenario for the IAMA informed by a time-calibrated molecular phylogeny of 1006 species of Trigonopterus weevils – an exceptionally diverse radiation of regionally-endemic flightless beetles. Moreover, we performed a statistical biogeographic analysis and examined timing and patterns in the accumulation of lineages residing in a priori-defined geographic units comprising the IAMA. We estimate that Trigonopterus originated in Australia during the early Paleogene. Subsequent rapid diversification in the area of the present-day Papuan Peninsula suggests the presence of proto-Papuan islands by the middle Eocene; the New Gu ....
A giant bee the size of an adult thumb was found alive for the first time in nearly 40 years, The New York Times reported Thursday. The sighting, by a team of wildlife conservationists this January, proves that the world's largest bee had not gone extinct since it was last documented by scientists 38 years ago, though its habitat in a group of. ....