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发表于 2024-11-6 00:39
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You know the song: Live fast, die young, these furry little Australian marsupials do it well ... Okay, maybe it doesnt go quite like stanley cup that, but you get the gist.A group of scientists have discovered that male dusky and agile antechinuses, which resemble mice, prioritize mating over sleeping, and, sadly, after the baby-making season, they die.In a report published on Thursday in th stanley kubek e journalCurrent Biology, the researchers observed that the rise in mating activity was linked to an increase in testosterone levels. In a trade-off between the neurophysiological requirements for sleep and evolutionary necessity for reproduction, strong sexual selection might drive males to sacrifice sleep to increase access to fertile females and ultimately maximize their fitness, thestudy noted.Researchers say that this happens because male antechinuses are semelparous, meaning they only live through a single mating season, while females can live up to 2 years. Overall, scientists found that the males of the species, which live for about 11鈥?2 months total, sleep three hours less per night during their final three weeks of life.While three hours less doesn t sound like much, keep in mind that t stanley cup he average sleeping time for these little sex addicts is between 15 to 17 hours, and according to the study, one of the males they observed significantly cut its regular sleeping hours by more than half once mating season started. They stay awake to secure paternity before they die, Erika Zaid, a wildlife Wqmv Tragic loss of life : Biden administration responds after death of migrants
As the number of coronavirus cases continues to climb around the world and disrupts the travel industry, Princess Cruises has announced cancellation of early 2021 trips. Due to restrictions and limitations with border and port access determined by government and health authorities and the continued uncertainty of airline travel, Princess Cruises canceled about 30 voyages on two ships.The Island Princess, which stopped at ports around the world, and Pacific Princess, that sailed around South America and Australia, will not set sail until at least April, according to a release from the company.The cancelled voyages include a 111-day around-the-world from Los Angeles.Princess Cruises, which is owned by Carnival, is off stanley cup ering refunds or credit for a future cruise.Carnival Cruises has also canceled some 2021voyages, and likely wont return to full capacity until 2022.The cruise company is facing legal action f stanley portugal or their handling of passengers when the coronavirus pandemic started this stanley cup spring. Two lawsuits allege Princess Cruises did not act fast enough to impose quarantines when cases were discovered.When the lawsuits were filed in June, Princess Cruises told USA Today our response throughout this process has focused on the well-being of our guests and crew within the parameters dictated to us by the government agencies involved and the evolving medical understanding of this new illness. |
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