School begins, and one day at a time, Emily and her new classmates learn new ideas, expand their world, and grow closer together.

The latest news, analysis and updates on the first 100 days of Donald Trump’s second term as president.

发现YouTube一个神奇的频道3Blue1Brown，它有一个播放列表《线性代数的本质》。看完了4个视频，包括了向量，线性组合，跨度，基向量，线性变换和矩阵乘法。 B站播放列表在这里。 继续观看了4个视频，内容包括三维变换、行列式、逆矩阵、列空间、零空间和非 ...

His first 100 days in office will indicate how serious his threats against foreign lands and American allies are. Trump opened his first day in office with a flurry of executive orders aiming to ...

When President-elect Donald Trump won his first term in 2016, he was still a new political figure. His win came as a shock to many, spurring protests and mobilizing opposition across the country.

Plus, a higher level of intraparty cooperation, paired with his experience as a returning president, could certainly help pave the way for Trump's ambitious plans in the key first 100 days of his ...

Unveiling 12 characters from the Special Defense Unit—a team tasked with keeping the school safe for 100 days—the reveal continues the global “100 Days to Launch” campaign filled with ...