After NYC Triathlon competitors complained of jellyfish in the Hudson Rivers, attention is now on why the marine animals have appeared about a month early. The NY Times says one theory is "recent winds from the south that blew away the sea’s warmer surface water, allowing an upwelling of cold water," creating a perfect environment for the lion's mane breed of jellyfish. And marine biologist tells the Sun the Sea Nettle breed's stings can "really......

The death of a participant during the eighth annual NYC Triathlon cast a pall over the event and raised questions about the conditions. Competitors mentioned that jellyfish were stinging them during the first leg--the 0.93 swim in the Hudson River. One described them as "the size of salad plates" to the Daily News. However, the NY Times, referring to WebMD.com, reported, "Jellyfish stings often result in minor allergic reactions; in rare cases, they can......