听起来难以置信,有些种类的昆虫会牺牲自己来保护它们的巢穴。当面对入侵者时,婆罗洲的圆柱蚂蚁会抓住入侵者并挤压自己直到爆炸。蚂蚁的腹部破裂,释放出一种粘稠的黄色物质,对防御者和攻击者都是致命的,永久地将它们粘在一起,阻止攻击者到达巢穴。
另一个有趣的事实是,它们不仅保护它们的周围环境,而且在巢穴周围巡逻,有时甚至在数百码之外。
其他自我牺牲的昆虫:
几个月前,谷歌要求提交年度K-12大赛的参赛作品,以创建一个涂鸦,将在2020年出现在谷歌主页上。现在,该公司已经梳理了所有提交的文件,并为谷歌2020投票打开了Doodle。 ...
...ps each of them using 7zip (which worked perfectly), but does not password protect them. Is there a command that I can add to the batch file that includes the password? Or alternatively, how can I create a batch file that will password protect the compressed files? 如何在尽可能少的步骤中...
...ked”, but “how long will it take” to hack. WPA and a secure password protect against “Joe Average”. If you want to enhance the protection of your Wi-Fi network, you can view it as a transport layer only, then encrypt and filter everything going across that layer. This is overkill for the v...
....e. is NAT enabled, QoS, VPN, access control, is wireless open or password protected, etc. I think the amount of traffic that devices create is also an important factor to the limit. I think this might also be the reason why manufacturers do not specify the number of devices that can connect, becaus...
...f lid is popped up or seal has been tampered with”. At the top level of protection, you have the platform key (PK). There is only one PK on any system, and it is installed by the OEM during manufacturing. This key is used to protect the KEK database. The KEK database holds Key Exchange Keys, whic...
If you’re prone to watching the browser pane with an eagle eye, you may have noticed that pages frequently load their images and layout before loading their text–the exact opposite loading pattern we experienced during the 1990s. What’s going on? 今天的问答环节是由SuperUser提供的...
...on to see how your fellow readers ensure friends and relatives have a well protected computer. 图片可用作壁纸。 如果你只听你的读者朋友的一点建议,那就让这些建议成为独立和非管理用户帐户的重要性吧。格兰特写道: I have two boys, now 8 and 10, who...
...eir community. And Dreamers deserve that chance. We need a government that protects Dreamers. Today I join business leaders across the country in calling on our President to keep the DACA program in place and protect Dreamers from fear of deportation. We're also calling on Congress to finally pass t...
...。莉莉会吃芒果。以上两句话标志着“他”这个代词将来会去餐馆。这意味着,“他”还没走,但将来会走。在第二句话中,莉莉还没有吃芒果,她将来一定会吃的。英语中有一些代词可以使用,不会影响语法形式。在这种情况...
...*). Reach sexual maturity between 4 and 7 years of age. Are aggressively territorial. Feeding Geese are primarily herbivores, although they sometimes eat **all insects and fish. Their diet includes green vegetation and grains. The Canada goose eats a variety of grasses when on land. Diving...