US-Indian Spacecraft Captures Mexico City Subsidencescience.nasa.gov6 points·by hsuresh·2 tháng trước·0 comments
Scientists Have Identified Where Gluten Intolerance Beginssciencealert.com4 points·by hsuresh·2 năm trước·0 comments
hsuresh·16 năm trước·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.