一 | A group from the Southern Tasmanian Caverneers organization have discovered the deepest cave in the Australian continent in the southern part of Tasmania, ABC reported on Sunday.,The cave was named ‘Delta Variant’ as it was originally discovered during the pandemic. It is 401 meters deep, which breaks the record of Niggly Cave by 4 meters.,“It's been a lot of work to get to the point where we are now,” said team member Ciara Smart. “Yesterday, we made the breakthrough — and there was always the possibility that we weren't going to make the connection, but we did. And excitingly, we've added to a bit of Australia's caving history.",According to project organizer Stephen Fordyce, the expedition, which required six months of preparations, involved "an hour-and-a-half bushwalk up a hill, then over 14 hours of abseiling, crawling, squeezing, and rope-climbing".。 众所周知，蚊子通过一系列感官线索来追踪人类目标，这些感官线索包括体温、呼出的二氧化碳和体味。该领域的研究最近产生了一些有趣的见解，该论文展示了病毒如何改变皮肤微生物组以改变人的气味，从而引诱蚊子。
二 | (Credit: Alex Wild)该研究中使用了埃及伊蚊，它是寨卡和登革热等疾病的主要媒介，被放置在一个有两个管子的房间里，每个管子都包含一个尼龙套管。最终，这使科学家们能够分析 64 名人类受试者对蚊子的吸引力，从而产生了一些令人信服的结果。在该研究中编号为“Subject 33”的人类受试者比其他人更容易招蚊子，招蚊数量是排名第二的人类受试者四倍，是垫底人员的 100 倍。在该团队的任何一次实验中，蚊子都会蜂拥而至这个样本。
三 | 该项目的研究者 Maria Elena De Obaldia 表示：“在开始检测的几秒钟内就会很明显。作为一名科学家，这种事情让我非常兴奋。
四 | 这是真实的东西”。随后进行的化学分析揭示了 50 种分子化合物，这些化合物在更具吸引力的受试者的皮肤中有所增加。特别是一种类型的生产水平比不那么有吸引力的主题高得多。这些被称为羧酸的脂肪物质有助于赋予皮肤一种独特的气味，这种气味似乎很符合嗜血蚊子的喜好。该研究发表在《Cell》杂志上。资料来源：洛克菲勒大学。
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