A star-studded cast of experts spent two days discussing "Science Writing in the Age of Denial" at the University of Wisconsin April 23-24. Most who attended praised it. Unable to argue the science, science deniers advanced their arguments by trying to silence the conference Twitterfeed with a denial-of-service attack, according to the Knight Science Journalism Tracker.

"Hockey sticks and brawls aren't just for NHL playoff games. Climate scientist Michael Mann has the scars to prove it. But along the way he has picked up some fans as well."

"The world's ice sheets serve as cold-storage for creatures the Earth hasn't seen in eons. Scientists don't expect another Contagion or Andromeda Strain, but the release of unknown life forms does pose new concerns about effects of global warming."

"Two billion years ago, around the time atmospheric oxygen levels were rising, one cell engulfed another, and instead of becoming lunch, the ingestee became an Earth-changer and, eventually, a vital part of you: mitochondria."

"A letter from former administrators, astronauts, and engineers at NASA expressing climate change scepticism does not deserve parity with the agency's peer-reviewed climate scientists."

"We spend lots of time these days focused on children bullied by their classmates at school, at play, and online. ... Bullying is the nicest word to use in describing the recent spate of irresponsible attacks on climate scientists."

"Scientists find that all 93 strains of bacteria collected from deep inside Lechuguilla Cave at Carlsbad Caverns in New Mexico are already resistant to at least one of the antibiotics we use to fight infections."