How I turned my fish tank high tech

When I was a kid, I owned two goldfish that eventually outgrew the size of their tank. At the time, I didn't realize just how much actually goes into having fish and keeping them healthy. I've learned a lot over the past couple of years while keeping nano fish - a group of five celestial pearl danios and four corydoras habrosus - along with some live plants. After filling up a 10-gallon tank with water and adding a filter, I was eager to add my first fish, but I soon found out that the tank must

The Verge·2026/8/18·Emma Roth站内阅读全文

全国54个城市开通运营城市轨道交通线路347条

中新网8月18日电 据交通运输部微信公众号消息,2026年7月,31个省(自治区、直辖市)和新疆生产建设兵团共有54个城市开通运营城市轨道交通线路347条,运营里程11865.3公里,实际开行列车384万列次,完成客运量29.4亿人次,进站量17.5亿人次。7月份,日均客运量环比增加172.7万人次,增长1.9%,同比增加67.5万人次,增长0.7%。7月份全国总运营里程的平均客运强度为0.804万人次每公里日。

中国新闻网·即时新闻·2026/8/18站内阅读全文