Oliver is a 6th grader from a small town in northeast China. He’s also a multiple-time 散打 champion — a fierce young fighter with surprising grace.Today, in a 1-on-1 remote class, he met the Pythagorean theo...

Cindy stood barefoot, sleeves rolled up, belaying for our daughter An.The route was one of the tallest in the gym, with an overhang that challenges even the strongest beginners.The holds were black. The climb was long.Mu...

 (A little spark for fellow lifelong learners)Not long ago, while revisiting a math textbook, I followed the classic Euclidean Algorithm to solve a linear Diophantine equation:72x + 42y = 6I knew the steps:72 = 42 +...

自閉症：星海低吟，生命的輝光詩篇   引子 夜空裏的一顆小星星   夜空像一幅無邊的畫卷，星星們有的像火把，照亮四方；有的像害羞的螢火，躲在銀河的角落，悄悄閃著光。自閉症，就是那最柔軟的小星星，帶...

去年春天，加州大學伯克利分校的招生會議上，一份長達三個月的申請材料審核中，招生官給所有參與"Key Club+醫院義工+鋼琴十級"組合的亞裔申請者貼上了"模板人"標簽，這類材料的平均評分比創新活動組合低37%。這個冰冷...

Two months ago, Rhea had just turned 2.In a quiet playground in Sunnyvale, she found a little green hill—just 1.5 meters high, with tunnels inside. At the top edge was a metal strip she could barely grip. She tried...

At 57 and 59, my wife and I found ourselves roped up at an indoor climbing gym near our daughter’s home. It was her idea. We said yes. The night before, we practiced rope knots with a shoelace. The next da...

周末帶女兒參加了一年一度的AGM鋼琴比賽。這次比賽的曲目，女兒練了快一年。 在女兒的這個組別裏，她的曲子難度是最高的，完成度表現力等等也是最好的。比賽當時，家長老師們都在場，從現場的掌聲都能判斷女兒獲得前兩名應該是沒有懸念...

很多用人民幣投資美股基金的朋友經常問我：美股場內基金的有溢價，我該怎麽辦？ 的確如此。截止2025年4月底，標普500指數基金ETF 513500的溢價為1.2%，而年初曾經到過10%左右，4月初最低時竟然出現-2%的折價！與此同時，納斯達克100指...

Just last week, our little granddaughter, who is just 2 years and 3 months old, started at a new, better kindergarten. There are about 20 toddlers in her class, all between 2 and 3 years old. And here comes the lovely...