ScienceTree rings tell history of extreme droughts in Western U.S. Scientists analyzing tree rings in the Western U.S. have found evidence of "nightmare droughts" that happened in the past. The new findings may also point to the possibility of terrible droughts occurring in the U.S. in the future.by Alexander Saltarin
ScienceCarbon dioxide, cause of global warming, hits record high level in atmosphere since existence of mankindby James Maynard
ScienceGarbage beats humans to the deep seas. Bottles, plastic bags are everywhere, says surveyby Alexander Saltarin
ScienceList of U.S. cities with worst air pollution released: Is your city poisoning you?by James Maynard
ScienceDeep-sea viruses ambush bacteria along hydrothermal vents for faster reproductionby Alexander Saltarin