It's a paradox in our mostly sedentary lifestyles that when we actually exert physical energy, it's wasted. Read more in 'Paddle your treadmill: A treadmill that floats?'
He said humans have experienced catastrophes in the past, but that the events of this century could determine the survival of our species. Read more about global catastrophic risks.
Shell lead scientist has spoken in a new EarthSky Clear Voices for Science podcast about the need for what he called "aggressive action" on the issue of CO2.
In the past, desalination relied on boiling the water. But today’s newer techniques use a semi-permeable membrane. Read more about drinking seawater.
Learning to love science. As a producer for EarthSky, Lindsay Patterson interviews some of the world's most fascinating scientists. Through EarthSky, her work content is syndicated on some of the world's top media websites, including USAToday.com and Reuters.com. Patterson is also charged with helping to stay in steady communication with the thousands of scientists who contribute to EarthSky's work of making the voice of science heard in a noisy world. She graduated from Colorado College with a degree in creative writing, and a keen interest in all forms of journalism and media.
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