"Tipping point" on horizon for Greenland ice
OSLO (Reuters) - Global warming this century could trigger a runaway thaw of Greenland's ice sheet and other abrupt shifts such as a dieback of the Amazon rainforest, scientists said on Monday. feeds.reuters.com
New virus causes South American fever
WASHINGTON (Reuters) - Scientists have identified a new virus that causes bleeding and shock and killed at least one man in a remote area of Bolivia. feeds.reuters.com