健康威脅！室內空氣比室外髒？ The Surprising Air Pollution in Your Home JUN.7,2021/Daniel Howard
研究顯示，室內空氣品質經常比室外空氣更差，即使一個人住在汙染特別嚴重的地區也一樣。這是因為多種因素造成的，包括從烹飪到清潔的一切。而儘管室內空氣品質不良的現象在開發中國家比較常見，但實際上，這個問題無處不在。 Research has shown that indoor air quality is often poorer than outdoor air quality, even when one lives in a particularly polluted area. This is due to a variety of factors that include everything from cooking to cleaning. And while it is more common in (F)developing countries to have poor indoor air quality, in reality, it's a problem everywhere.
袋熊最出名的就是牠們立方體的便便。有些袋熊單日就可排出一百顆立方體。牠們通常會把便便堆疊起來作為標示自己領土的一種方式。如果這項策略不管用，袋熊有時就會爭奪地盤。這些惡戰從兩隻袋熊相互對衝拉開序幕，試圖將對手撞翻。 Wombats are most famous for their cube-shaped poop. Some poop out 100 cubes in a single day. They often pile up their poo as a way to mark their territory. When this strategy doesn't work, wombats will occasionally fight over land. These battles start with two wombats charging at one another, trying to knock each other over.