/r/askscience is a heavily moderated subreddit where there are many rules for posting/commenting beyond those of other subreddits. Top level replies that don't

/r/askscience is a heavily moderated subreddit where there are many rules for posting/commenting beyond those of other subreddits. Top level replies that don't site verifiable sources or contain layman's speculation are deleted. Comments that are off topic or do not comply with the rules are also promptly moderated.