Jan 2nd, 2009 · How are the discovery of oxygen, the founding of the Unitarian Church and ecosystem science linked? Author Steven Johnson tells the story of scientist and theologian Joseph Priestley, a protégé of Benjamin Franklin and friend of Thomas Jefferson, in The Invention of Air.
Sep 10th, 2008 · Sue Johanson is a popular sex educator and former host of the TV program "Talk Sex with Sue Johanson" on Oxygen. In this week's Wisdom Watch, Johanson, 78, talks about her decades-long career as a sex expert, and also weighs in on debates about sex education for kids.
Aug 28th, 2008 · A new study finds oxygen has probably not varied all that dramatically since dinosaurs first roamed the Earth. Scientists in Ireland say the atmosphere seems to have been at least 15 percent oxygen for hundreds of millions of years.
Aug 15th, 2008 · A global study shows the number of "dead zones" — areas of ocean with too little oxygen for most marine life — has increased by one-third since 1995. In the latest issue of the journal Science, researchers say these polluted waters are the leading threat to life in coastal oceans.
Aug 5th, 2008 · It's long been thought that it's not healthy for babies to fly on airplanes. The risks come from the cabin pressure and lack of oxygen. New research suggests that most babies would be just fine in the sky.
Jun 13th, 2008 · About 20 years ago, researchers discovered Prochlorococcus, a photosynthetic marine microorganism. Penny Chisholm, a biologist at MIT whose work led to the discovery of the microbe, talks about its role in producing 20 percent of the oxygen in the Earth's air.
Jun 12th, 2008 · The oxygen in one out of every five breaths you take comes from a bacterium called Prochlorococcus. But this tiny microbe — one of the most abundant organisms on Earth — was discovered only 20 years ago.
May 1st, 2008 · The world's oceans have always had large zones of low-oxygen water. But new studies find that those zones appear to have been growing for the past 50 years. The cause is uncertain, but it could be related to human-induced climate change.