> On-Topic: Anything that good hackers would find interesting. That includes more than hacking and startups. If you had to reduce it to a sentence, the answer might be: anything that gratifies one's intellectual curiosity.
If it's #1 on the front page, people most likely find it interesting (or voting ring; but the mods have some practice spotting those).
Science. Exploration. Discovery. Stretching the limits. Challenging common belief patterns... - all things that intelligent people, and those with a creative bent enjoy discussing among like minded colleagues.
