Christian Lemon, Ph.D., an associate professor in the School of Biological Sciences at the University of Oklahoma, often thinks about temperature sensation and the brain when eating a chilled mint cookie. Now, research from ...
Mar 14, 2024
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Subfreezing temperatures will continue to plague much of the country this week, putting outdoor sports enthusiasts, football fans, unsheltered people and stranded motorists at increased risk of hypothermia and frostbite.
Jan 17, 2024
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As countries in the northern hemisphere face a bitterly cold snap, there is serious risk of injury—and even death—from freezing weather.
Jan 17, 2024
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A new report shares patient-led solutions to help address the worsening primary care crisis in Quebec, where more than two million Quebecers have no assigned family doctor or nurse practitioner, among the worst rates in the ...
Nov 8, 2023
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A new study by The University of Western Australia has revealed that indoor service workers in the mining industry bear the brunt of the cognitive, productivity and health impacts of extreme heat, when compared to maintenance ...
Oct 17, 2023
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Exposure to natural light could help treat and prevent type 2 diabetes, new research presented at the annual meeting of the European Association for the Study of Diabetes (EASD) in Hamburg, Germany (2–6 Oct), suggests.
Oct 1, 2023
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It seems counter-intuitive for women to experience hot flashes in cold temperatures but, thanks to declining estrogen levels that cause narrowing of the thermoneutral zone, changes in body core temperature can induce sweating ...
Sep 27, 2023
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Under conditions designed to better mirror real-world conditions, a new study finds that adults 65 and older are affected more by heat wave–like temperatures than previously reported. The study, "Age alters the thermoregulatory ...
Sep 26, 2023
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Pret a Manger, a sandwich and coffee chain, was handed an £800,000 fine recently after one of its employees became stuck in a walk-in freezer. The employee was trapped in the -18°C freezer for two and a half hours before ...
Sep 5, 2023
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As extreme summer heat continues to grip the region, young children are at a greater risk for heat exhaustion and heat stroke.
Jul 31, 2023
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Eudicots and Eudicotyledons are botanical terms introduced by Doyle & Hotton (1991) to refer to a monophyletic group of flowering plants that had been called tricolpates or non-Magnoliid dicots by previous authors. The term means, literally, "true dicotyledons" as it contains the majority of plants that have been considered dicotyledons and have typical dicotyledonous characters. The term "eudicots" has been widely adopted to refer to one of the two largest clades of angiosperms (constituting over 70% of angiosperm species), monocots being the other. The remaining dicots are sometimes referred to as paleodicots but this term has not been widely adopted as it does not refer to a monophyletic group.
A large number of familiar plants are eudicots. A few are forget-me-not, cabbage, apple, dandelion, buttercup, maple and macadamia.
Another name for the eudicots is tricolpates, a name which refers to the structure of the pollen. The group has tricolpate pollen, or forms derived from it. These pollen have three or more pores set in furrows called colpi. In contrast, most of the other seed plants (that is the gymnosperms, the monocots and the paleodicots) produce monosulcate pollen, with a single pore set in a differently oriented groove called the sulcus. The name "tricolpates" is preferred by some botanists in order to avoid confusion with the dicots, a non-monophyletic group (Judd & Olmstead 2004).
The name eudicots (plural) is used in the APG system, of 1998, and APG II system, of 2003, for classification of angiosperms. It is applied to a clade, a monophyletic group, which includes most of the (former) dicotyledons.
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