Publications by authors named "T E KIDDER"
Article Synopsis
- The island of Sicily is one of the first places in Europe where humans lived a long time ago, especially during the Upper Paleolithic period.
- A research project called Early Occupation of Sicily (EOS) is studying the southeastern part of the island where not many ancient sites have been explored yet.
- The team has found caves and collected materials from museum collections, and they even discovered new archaeological sites that still hold secrets about how early humans lived and moved around.
Environmentally transformative human use of land accelerated with the emergence of agriculture, but the extent, trajectory, and implications of these early changes are not well understood. An empirical global assessment of land use from 10,000 years before the present (yr B.P.
View Article and Find Full Text PDFMultiple large-scale gene and genome duplications during the evolution of hexapods.
Proc Natl Acad Sci U S A
May 2018
Article Synopsis
- Polyploidy, or whole genome duplication (WGD), is a significant factor in genome evolution, mainly highlighted in plants but previously seen as minor in animal evolution, especially in the insect lineage known as Hexapoda.
- This study analyzed data from over 150 insect species and uncovered evidence of 18 ancient WGDs and six major gene duplication events, particularly in groups like Lepidoptera (butterflies and moths), Trichoptera (caddisflies), and Odonata (dragonflies and damselflies).
- The findings suggest that these ancient duplications influenced the evolutionary paths of insects and align with similar patterns observed in plants, indicating that genome duplications have played a vital role in shaping
Premise Of The Study: Like many other flowering plants, members of the Compositae (Asteraceae) have a polyploid ancestry. Previous analyses found evidence for an ancient duplication or possibly triplication in the early evolutionary history of the family. We sought to better place this paleopolyploidy in the phylogeny and assess its nature.
View Article and Find Full Text PDFSocial networking technologies are influential among men who have sex with men (MSM) and may be an important strategy for HIV prevention. We conducted focus groups with HIV positive and negative participants. Almost all participants used social networking sites to meet new friends and sexual partners.
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