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Researchers are predicting that our Sun is about to enter a period of long-term quiet called a grand solar minimum, a state that might begin as soon as 2020, and could last as long as fifty years. While this period will see a decrease in sunspot formation, magnetic activity and ultraviolet radiation output, the decline in solar radiation isn’t expected to help alleviate the problem of global warming in any meaningful way; however, it may cool the extreme upper atmosphere to the coldest it’s been for the past 70 years.
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Clouds of aggressive nickel-sized mosquitoes called gallinippers have descended on 27 counties in North Carolina, the result of untold numbers of the insect’s eggs being activated by the catastrophic flooding caused by hurricane Florence. Unlike most mosquitoes, Gallinippers can lay their eggs in dry conditions, of which can lay dormant for months or years, and hatch when wet conditions develop. The females can be particularly aggressive, mobbing large mammals such as humans or even cattle in order to feed.
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A recent survey of the DNA of over 100,000 of the Earth’s animal species, including modern humans, has yielded a shocking result: 90 percent of all extant species arose at the same time, between 100,000 and 200,000 years ago, upending the assumption that most creatures would have reached their modern forms at different point throughout the planet’s history. The survey also found that genetic diversity between different species doesn’t increase over time–meaning modern humans haven’t diverged genetically over the course of our history from other species at all.
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In response to the critical decline in the numbers of African and Asian elephants due to habitat loss and poaching, a geneticist is proposing the creation of a hybrid species that is a cross between one of the existing elephant species and a long-extinct wooly mammoth, to allow them to inhabit a broader range of habitats. Additionally, the researcher is proposing that these new creatures be given further genetic tweaks to offer them other traits, such as smaller tusks to make them less attractive to ivory poachers.
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