USAPHO semifinals

<p>anyone take them this year? what'd you guys think? first problem of second part was impossible....</p>

<p>^Please respect the rules and do not discuss the USAPhO seminfinals with ** anyone ** until March 31. Many people have yet to take the exam.</p>

<p>I was going to comment on meadow36’s miraculous divergence from biology.</p>

<p>But then I realized…</p>