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Evidence of Early Earth Life Shows Arsenic Was "Breathed" in Place of Oxygen
There were no readily accessible oxygen billions of years in Earth's past, and scientists now think that arsenic, a known poison, may have helped early life on our planet breathe.
Latest Research Articles
Zoo Escape: 16-Year-Old Boy Arrested for Releasing 70 Monkeys
EPA Denies Claims That Chlorpyrifos Pesticide Affects Brain Development
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Sangay Volcano Eruption: 55,000 Hectares of Banana Plantation Covered With Ash in Ecuador
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New Five-Year Carbon Market Pilot Program Gives Conservation Funding for Land Trusts
Magnitude 4.2 Earthquake Shakes Istanbul Area
Breathtaking! Cuvier's Beaked Whale Breaks Diving Record, Not Just for Whales, But for Mammals
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Educating for Earth’s Future
Exotic Beetle is Destroying Ash Trees in North America
A Glimpse of Hope: A Prolific Pair of Andean Condors in Ecuador
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El Paso Water is Prepared for the Coming Water Shortage for Rio Grande Next Year
Climate Change Threatens Cultural Landmarks and Heritage Sites in Africa
What Makes a Penis in the Animal Kingdom, and How It Functions Both in Mating and Other Purposes





