US-Indian Spacecraft Captures Mexico City Subsidencescience.nasa.gov6 points·by hsuresh·قبل شهرين·0 comments
Scientists Have Identified Where Gluten Intolerance Beginssciencealert.com4 points·by hsuresh·قبل سنتين·0 comments
hsuresh·قبل 16 سنة·discussI agree with you. The only times i have wanted to downvote was to mark some comment as spam and/or troll. Given that we have a 'flag' link on comments, i don't see a need for downvote, except to undo a upvote.