精選奇文

1. Man Makes His Own X-Ray Machine After Hospital Charges Him $70,000 (IFL Science)
   因為醫療費太貴，呢位人兄自製 X 光機，質素仲要唔差。

2. The case for starting sex education in kindergarten (PBS)
   無錯，是四歲，但内容不是接吻會否成孕之類。

天下奇文

1. Why video game doors are so hard to get right (Vox)
   門在電子遊戲中很難整。

2. Critical Attrition (n+1)
   書評人的苦況。

3. Singapore Deploys Street Robots To Check Bad Behaviour Of People (Investvine)
   那裏會是個天堂⋯⋯

4. Software is subbing mistakes into scientific papers (The Economist)
   科學界敵不過微軟霸權。